A video released by Connecticut police appears to show a sergeant stomping on the head of a handcuffed man who was on the ground.
The video was taken June 4 during the arrests of Ricardo Perez and Emilio Diaz after a car chase from Hartford into West Hartford. Police say Perez struck a detective with a stolen car and damaged four police cruisers.
Booking photos show the men with serious facial injuries.
The Hartford Courant reports the video released Wednesday appears to show Sgt. Sean Spell drop his left leg onto a man's head. It's unclear if the man was Perez or Diaz. Authorities say Spell is now retired.
A prosecutor is investigating whether officers used excessive force.
Spell, Perez and Diaz can't be reached for comment.
Information from: Hartford Courant, http://www.courant.com
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