The FBI is trying to determine why Thomas Jacob Sanford attacked The Church of Jesus Christ of the Latter-day Saints in Michigan on Sunday, killing four. White House press secretary Karoline Leavitt told Fox News that,

Craig Hayden, 72, was among at least four people who were killed at the Church of Jesus Christ of Latter-day Saints in Grand Blanc Township.

A second detainee who was shot at a Dallas Immigration and Customs Enforcement facility on Sept. 24 has died of his injuries, according to a Latino civil rights organization that represents his family.

Investigators remained on scene Monday in Grand Blanc Township, where a shooting and fire at a church left multiple people dead.

Hernandez, 32, had been on life support after what authorities called a targeted act of violence toward federal immigration agents. He leaves behind four kids and his wife, pregnant with their fifth.

Jose Albert Duran Jr., 55, was identified by Wayne County Coroner Edward Howell as the victim. Duran was a public safety officer. According to Pennsylvania State Police, he was shot by a man who had also shot and injured his parents.

A man who was injured in a sniper-style shooting at a Dallas ICE facility has died, according to the League of United Latin American Citizens.Miguel Angel Garcia-Hernandez, 32, is the second victim to die after the shooting.

A 20-year-old Massachusetts man was shot and killed in a Route 1 parking lot during a car meet-up in June. Two men have now been charged with murder in his death.

The family has confirmed that a local woman was one of three people killed when a gunman opened fire at a waterfront bar in Southport.

Video from local police who first responded to the scene provides crucial context, since the immigration agents weren't wearing body cameras.