PANAMA CITY-- Forty-one year old Derrick Thompson was arrested at a hunting lodge in Troy, Alabama, Tuesday.
Authorities believe he is connected with the murders of three people.
Several law enforcement agents joined forces to capture him.
They used flashbang grenades to stun him.
Lieutenant David Baldwin from the Bay County Sheriff's field service division gave us a demonstration on how these grenades work.
"It gives us a large flash, bang and disorients them three to four seconds to allow us to come in and affect and arrest or take care of the situation," said David Baldwin, Bay County Sheriff Office Lieutenant.
Unlike other grenades, these flashbangs, also known as a flash sound diversionary device, are constructed with a casing made to remain intact during detonation.
"What you saw was outside, generally we use inside and the concussion from the grenade going off itself can produce hearing loss, vision loss, also disorient somebody and actually take them off their feet if they are close enough to it," said Baldwin.
Many military and police forces have adopted the flashbang concept.
But officials say everyone that uses it must go through special training.
"We have certified trainers. We get certified every year to use this deaf type product. So we are highly skilled and when and how to use it," said Baldwin.
Officials say they never know when the devices are going to be needed, but they'll be ready.
"We wouldn't release who we would use it on, or how we would use it, or when we would use it, but we have the tools to be able to do it," said Baldwin.