[dragnet2]

Why they put him on the ground after he was in handcuffs and standing by a wall is still unexplained.

Because someone handcuffed can still ring your bell, break your jaw and basically ruin your day.

[webheart]

Because someone handcuffed can still ring your bell, break your jaw and basically ruin your day.

Because someone is able to injure you, you should put them on the ground and kneel on their neck. You are saying that the policeman feared for his life from the guy in handcuffs, and needed to restrain him permanently.