GLENDALE, AZ (3TV/CBS 5) -- Many are wondering how a Glendale traffic stop abruptly got out of control, ending with a man being tased nearly a dozen times.
John Wheatcroft was a passenger during a traffic stop that took place over a year and a half ago.
Police began questioning him when things took a turn.
"Looking at the limited amount of video we have, it went south almost immediately," said Andy Anderson.
Anderson is a retired assistant chief with the Phoenix Police Department. He now reviews cases like Wheatcroft's to determine if officers involved acted reasonably.
Glendale police say the driver of the parked vehicle had no license and the vehicle was occupied by five people, three adults, including Wheatcroft, and two children.
[RAW VIDEO: Body cam video of incident involving Glendale PD]
Wheatcroft refused to show ID to the officers, which is not required by law but one of the officers threatens to arrest him.
That's when Glendale police say Wheatcroft resisted and they tased him nearly a dozen times, including the buttocks and groin.
"There's a lot of talk nowadays about deescalation and there's a lot of training going on across the nation to deescalate and I think this is a good example of why that training is taking place," said Anderson.
The county attorney dropped assault charges against Wheatcroft and the officer involved was suspended for 30 hours.
[RAW VIDEO: Surveillance video of incident involving Glendale PD]
Wheatcroft and the car driver have filed a federal lawsuit against the Glendale Police Department, claiming police brutality.
"I think in any department, his use of Taser would have been out of line," said Anderson.