A man lays down 50 roses to honor each victim of the gay Orlando night club shooting as people gather outside of the Stonewall Inn as a vigil is held following the massacre that occurred on June 12, 2016 in New York City. A gunman who allegedly pledged allegiance with ISIS opened fired in the gay nightclub in Florida killing over 50 people. (Photo by Monika Graff/Getty Images)
Cities Around the World Remember Orlando
People gather outside of the Stonewall Inn as a vigil is held following the massacre that occurred at a gay Orlando nightclub on June 12, 2016 in New York City. A gunman who allegedly pledged allegiance with ISIS opened fired in the gay nightclub in Florida killing over 50 people. (Photo by Monika Graff/Getty Images)
Cities Around the World Remember Orlando
People gather outside of the Stonewall Inn as a vigil is held following the massacre that occurred at a gay Orlando nightclub on June 12, 2016 in New York City. A gunman who allegedly pledged allegiance with ISIS opened fired in the gay nightclub in Florida killing over 50 people. (Photo by Monika Graff/Getty Images)
Cities Around the World Remember Orlando
People gather outside of the Stonewall Inn as a vigil is held following the massacre that occurred at a gay Orlando nightclub on June 12, 2016 in New York City. A gunman who allegedly pledged allegiance with ISIS opened fired in the gay nightclub in Florida killing over 50 people. (Photo by Monika Graff/Getty Images)
Cities Around the World Remember Orlando
Flowers are placed at a make-shift memorial in front of the Stonewall Inn where a vigil was held following the massacre that occurred at a gay Orlando nightclub on June 12, 2016 in New York City. A gunman who allegedly pledged allegiance with ISIS opened fired in the gay nightclub in Florida killing over 50 people. (Photo by Monika Graff/Getty Images)
Cities Around the World Remember Orlando
People attend a vigil in front of the White House in Washington, DC on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Florida.
Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001. (Photo credit: ANDREW CABALLERO-REYNOLDS/AFP/Getty Images)
Cities Around the World Remember Orlando
The City Hall Building is lit in the rainbow colors in New York on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Florida,
Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001. / AFP / Bryan R. Smith (Photo credit: BRYAN R. SMITH/AFP/Getty Images)
Cities Around the World Remember Orlando
One World Trade Center is lit in the rainbow colors in New York on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Florida,
Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001. (Photo credit: BRYAN R. SMITH/AFP/Getty Images)
Cities Around the World Remember Orlando
Participants take part in the 2016 Gay Pride Parade in West Hollywood, California on June 12, 2016.
Security for the tightened in the aftermath of the deadly shootings June 12 at the Pulse, a packed gay nightclub in Orlando, Florida. (Photo credit: MARK RALSTON/AFP/Getty Images)
Cities Around the World Remember Orlando
Mourners gather outside of the iconic New York City gay and lesbian bar the Stonewall Inn to light candles,lay flowers and grieve for those killed in Orlando last evening on June 12, 2016 in New York City. An American-born man who'd recently pledged allegiance to ISIS killed 50 people early Sunday at a gay nightclub in Orlando, Florida. The massacre was the deadliest mass shooting in the United States. (Photo by Spencer Platt/Getty Images)
Cities Around the World Remember Orlando
Austin Ellis, a member of Metropolitan Community Church, carries a cross with a sign in memory of the victims of the Pulse nightclub shooting as he marches in the 2016 Gay Pride Parade on June 12, 2016 in Philadelphia, Pennsylvania. 50 people were killed and 53 injured at the gay nightclub in Orlando, Florida early Sunday morning. (Photo by Jessica Kourkounis/Getty Images)
Cities Around the World Remember Orlando
Mourners gather outside of the iconic New York City gay and lesbian bar the Stonewall Inn to light candles,lay flowers and grieve for those killed in Orlando last evening on June 12, 2016 in New York City. An American-born man who'd recently pledged allegiance to ISIS killed 50 people early Sunday at a gay nightclub in Orlando, Florida. The massacre was the deadliest mass shooting in the United States. (Photo by Spencer Platt/Getty Images)
Cities Around the World Remember Orlando
A pride flag stands a half mast during a memorial service in San Diego, California on June 12, 2016, for the victims of the Orlando Nighclub shooting.
Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001. (Photo credit: SANDY HUFFAKER/AFP/Getty Images)
Cities Around the World Remember Orlando
Mourners hold an LED sign reading "Dallas To Orlando" as they march during a vigil in Dallas, Texas, on June 12, 2016, for victims of the attack at Orlando's Pulse Nightclub in Orlando, Florida.
Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001. (Photo credit: LAURA BUCKMAN/AFP/Getty Images)
Cities Around the World Remember Orlando
Mourners light candles at the Legacy of Love statue during a vigil in Dallas, Texas, on June 12, 2016, for victims of the attack at Orlando's Pulse Nightclub in Orlando, Florida.
Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001.(Photo credit: LAURA BUCKMAN/AFP/Getty Images)
Cities Around the World Remember Orlando
A participant holds a candle during a vigil at Frank Kits Park in Wellington on June 13, 2016, in remembrance of victims after a gunman opened fire in a gay nightclub in Orlando, Florida in the worst mass shooting in US history.
US anti-terror strategy came under fresh scrutiny after a gunman previously cleared of jihadist ties launched a hate-fueled rampage in a Florida gay club that left 50 dead. (Photo credit: MARTY MELVILLE/AFP/Getty Images)
Cities Around the World Remember Orlando
A man attends a candlelight vigil for the victims of the Pulse Nightclub shooting in Orlando, Florida, at Newtown Neighbourhood Centre on June 13, 2016 in Sydney, Australia. 50 people were killed and 53 injured after a gunman opened fire on people in a gay nightclub in Florida. It is the deadliest mass shooting in US history. (Photo by Daniel Munoz/Getty Images)
Cities Around the World Remember Orlando
People gather during a vigil in downtown Seoul to remember victims of the shooting at an Orlando nightclub on June 13, 2016 in Seoul, South Korea. An American-born man who had recently pledged allegiance to ISIS killed 50 people early morning on June 12, 2016 at a gay nightclub in Orlando, Florida. The massacre was the deadliest mass shooting in the United States. (Photo by Chung Sung-Jun/Getty Images)
Cities Around the World Remember Orlando
A mourner attends a vigil for victims of a shooting at a gay nightclub in Orlando, Florida the previous day, in front of the United States embassy on June 13, 2016 in Berlin, Germany. Fifty people were killed and at least as many injured during a Latin music event at the Pulse club in the deadliest mass shooting in the United States and the worst terror attack there since 9/11. The American-born gunman had pledged allegiance to ISIS, though officials have yet to find conclusive evidence of his having any direct connection with foreign extremists. (Photo by Adam Berry/Getty Images)
Cities Around the World Remember Orlando
Members of the LGBT community sing by the US Embassy in Bangkok on June 13, 2016 during a vigil for victims after a gunman opened fire in a gay nightclub in Orlando, Florida in the worst mass shooting in modern US history.
US anti-terror strategy came under fresh scrutiny after a gunman previously cleared of jihadist ties launched a hate-fueled rampage in a Florida gay club that left 50 people dead. (Photo credit: LILLIAN SUWANRUMPHA/AFP/Getty Images)
Cities Around the World Remember Orlando
Australians gather to place candles and flags in Sydney on June 13, 2016, in solidarity with the global gay community after a gunman opened fire in a nightclub in Orlando, Florida, killing over 50 people.
The Sydney Harbour Bridge was lit with the colours of the rainbow on June 13 as hundreds of Australians gathered to stand in solidarity with the global gay community after the worst mass shooting in modern US history. (Photo credit: WILLIAM WEST/AFP/Getty Images)
Cities Around the World Remember Orlando
Australians gather to place candles and flags in Sydney on June 13, 2016, in solidarity with the global gay community after a gunman opened fire in a nightclub in Orlando, Florida, killing over 50 people.
The Sydney Harbour Bridge was lit with the colours of the rainbow on June 13 as hundreds of Australians gathered to stand in solidarity with the global gay community after the worst mass shooting in modern US history.(Photo credit: WILLIAM WEST/AFP/Getty Images)
Cities Around the World Remember Orlando
Australians gather to place candles and flags in Sydney on June 13, 2016, in solidarity with the global gay community after a gunman opened fire in a nightclub in Orlando, Florida, killing over 50 people.
The Sydney Harbour Bridge was lit with the colours of the rainbow on June 13 as hundreds of Australians gathered to stand in solidarity with the global gay community after the worst mass shooting in modern US history. (Photo credit: WILLIAM WEST/AFP/Getty Images)
Cities Around the World Remember Orlando
People place candles during a vigil for the victims of a shooting in a gay nightclub in Orlando, Florida on June 13, 2016 in Hong Kong, Hong Kong. The vigil is put together by Betty Grisoni co-director of Pink Dot and co-founder of local lesbian group Les Peches with Double Happiness, Les Peches, Out in HK and Pink Alliance joining in as supporting organisations. (Photo by Anthony Kwan/Getty Images)
Cities Around the World Remember Orlando
Members of the German Green Party (Partei Bündnis 90/Die Gruenen) attend a vigil for victims of a shooting at a gay nightclub in Orlando, Florida the previous day, in front of the United States embassy on June 13, 2016 in Berlin, Germany. Fifty people were killed and at least as many injured during a Latin music event at the Pulse club in the deadliest mass shooting in the United States and the worst terror attack there since 9/11. The American-born gunman had pledged allegiance to ISIS, though officials have yet to find conclusive evidence of his having any direct connection with foreign extremists. (Photo by Adam Berry/Getty Images)
Cities Around the World Remember Orlando
People hold a rainbow flag during a vigil for the attack at the gay club in Orlando, on Monday, June 13, in Bangkok, Thailand. (Photo by Dario Pignatelli/Getty Images)
Cities Around the World Remember Orlando
The Sydney Harbour Bridge is illuminated with rainbow colors to remember victims of the Orlando night club massacre on June 13, 2016 in Sydney, Australia. 50 people were killed and 53 injured after a gunman opened fire on people in a gay nightclub in Florida. It is the deadliest mass shooting in US history. (Photo by Daniel Munoz/Getty Images)
Cities Around the World Remember Orlando
A rainbow flag is seen at Sydney Town Hall as it is illuminated pink to remember victims of the Orlando night club massacre on June 13, 2016 in Sydney, Australia. 50 people were killed and 53 injured after a gunman opened fire on people in a gay nightclub in Florida. It is the deadliest mass shooting in US history. (Photo by Daniel Munoz/Getty Images)
Cities Around the World Remember Orlando
(Photo by Daniel Munoz/Getty Images)
Cities Around the World Remember Orlando
A picture taken on June 13, 2016 shows the Eiffel Tower in Paris illuminated in rainbow colours to pay homage to the victims of a shooting at a gay nighclub in Orlando.
Forty-nine people were killed and 53 others wounded when a heavily armed gunman opened fire and seized hostages at a popular gay nightclub in Orlando, Florida -- the worst terror attack on US soil since September 11, 2001. (Photo credit: THOMAS SAMSON/AFP/Getty Images)