The suspect in the attack on the Church of Jesus Christ of Latter-day Saints in Grand Blanc, Mich., appeared to use a multiple tactics designed to increase chaos and create a “fatal funnel,” according to a security analyst.

Donell Harvin, a homeland security and public health emergency expert at Georgetown University, told CNN on Sunday that the attacker may have conducted pre-operational surveillance and come up with a plan that maximizes fatalities and damage.

“This looks like a relatively new type of what we call hybrid threat where not only you’re vehicle-ramming to maybe get some chaos but you’re also shooting into a crowd—and may have, it seems, potentially started the fire,” he added.

According to local law enforcement, the suspect crashed a pickup truck through the front door of

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