BALTIMORE (WJZ) — The FBI uncovered new details about the man who allegedly opened fire inside a Wisconsin temple, including his links to white supremacist music here in Baltimore.

Kai Jackson has the latest on the investigation.

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The nation is stunned by what happened in Wisconsin and authorities are still trying to determine the motive.

The massacre inside a Sikh temple in Oak Creek, a suburb of Milwaukee, has shaken the community and nation to its core. Five men and one woman were shot and killed inside a place of worship on Sunday.

Among the dead is 65-year-old Satwant Kaleka. Authorities call him a hero for fighting and trying to stop the shooter.

“My father, by engaging the shooter, saved a tremendous amount of more hardship,” said Amardeep Kaleka.

Now many question whether the shooting was a hate crime.

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“We are looking at ties to white supremacist groups,” said FBI Special Agent Teresa Carlson.

Police have identified the shooter as 40-year-old Wade Michael Page. Authorities say he was discharged from the Army in 1998. Police say he shot several people, including an officer, before police shot and killed him.

“In this country–regardless of what we look like, where we come from, who we worship–we are all one people,” said President Barack Obama.

According to the Southern Poverty Law Center, Page was a member of two racist skinhead bands, End Apathy and Definite Hate. He played at a racist music festival in Baltimore.

Linthicum-based Label 56 distributed some of his music but issued a statement saying, “We do not wish to profit from this tragedy financially or with publicity. Please do not take what Wade did as honorable or respectable and please do not think we are all like that.”

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Police in Oak Creek, Wis. never had any trouble with Page before Sunday’s shootings.