Authorities probe motive in deadly Michigan church attack

Breakdown

• A Marine veteran fatally shot four people and wounded eight at a Mormon church in Grand Blanc, Michigan. 11s
• The attacker rammed his vehicle into the church, fired at worshipers, and set a fire with accelerant. 37s
• Police killed the shooter, Thomas Sanford, and found multiple homemade explosive devices in his vehicle. 50s
• Acquaintances said Sanford expressed animosity toward the Mormon church, but police have not determined a motive. 1m 21s
• The FBI is investigating the incident as targeted violence, and the investigation is ongoing. 46s