The suspected gunman in today’s gruesome Orlando nightclub shooting which killed “approximately 20 people” has been identified by relatives and law enforcement officials as Omar Mateen, a 29-year-old from Fort Pierce, Florida, CBS reports.

According to social media, he is a US citizen, born in 1986, from Port Saint Lucie, FL. and both his parents are from Afghanistan. He was a registered democrat with a security officer and firearms license. The Orlando Mayor says he used an assault rifle, while Florida Congressman Alan Grayson adds that he believes the attack is “more likely than not” ideologically motivated.

CBS added that the FBI is currently checking if he was linked to extremists.

According to BBC, Mateen was not on any terrorism watch list, although as CBS also adds Islamic terrorism is being investigated as one of the possible motives behind the mass shooting.

CNN adds that the suspected Orlando gunman was trained in use of weapons.

Some more details on the alleged shooter as disclosed on Find the Data, disclose that he was a registered Democrat in the 18th Congressional District.

A search of the Florida Department of Agriculture and Consumer Services database reveals that Mateen had security officer and firearms licenses:

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