If you see something, say something -- unless it has to do with Islam.

A former co-worker of the Orlando shooter described Omar Mateen as "unhinged and unstable."

Daniel Gilroy said he worked the 7 a.m. to 3 p.m. shift with G4S Security at the south gate at PGA Village for several months in 2014-15. Mateen took over from him for a 3 to 11 p.m. shift.

Gilroy, a former Fort Pierce police officer, said Mateen frequently made homophobic and racial comments. Gilroy said he complained to his employer several times but it did nothing because he was Muslim. Gilroy quit after he said Mateen began stalking him via multiple text messages — 20 or 30 a day. He also sent Gilroy 13 to 15 phone messages a day, he said.

"I quit because everything he said was toxic," Gilroy said Sunday, "and the company wouldn't do anything. This guy was unhinged and unstable. He talked of killing people."

Gilroy said he was not surprised by news of the shooting.

Imam Muhammad Musri, the president of the Islamic Society of Central Florida, called for restraint after the Orlando attack. "I want to also caution many of the media from rushing to judgment," he said. "We are mourning. We are sad. We are heartbroken, and it's not really time to...rush to judgment."

“We condemn the person who did this, whatever ideology he had. No lives should be lost because of anger and hate.”

“I condemn all acts of terrorism, especially those done in the name of my faith,” he said. “It’s heartbreaking to see this in my beloved city of Orlando. We’re in mourning.”