PHILADELPHIA (WJZ)—A family of a Baltimore man believed to be on Amtrak 188 is searching for answers following Tuesday night’s deadly wreck.

Family members tell CBS Philly that 45-year-old Robert Gildersleeve boarded the Amtrak train in Baltimore headed toward New York.

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Gildersleeve’s son, Marc, says his dad dropped him off at lacrosse practice before heading to the train station.

Relatives of Gildersleeve gather at the Downtown Marriott on Wednesday, waiting for any word on the whereabouts of their family member.

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Roberts father, Robert Sr., tells CBS Philly he flew up from Palm Beach, Florida to be with his family. He says the family is frustrated at the lack of information about Bobby at this time.