I don't believe there's any conspiracy here. In fact, I think all three officers are guilty of conduct unbecoming police officers.
The defendant and his partner returned to defendant's home shortly after roll call, and were allegedly drinking there while on duty.
Although the victim was not on duty, she knew her fellow officers were , and was a party to the violation of their oath of honor.
As for the extreme indifference demonstrated to play with a loaded weapon, it's been reported that this "Do you trust me?" or "Russian Roulette" lethal game is not uncommon to soldiers serving in Iraq, and Afghanistan, of which both the defendant and victim served.
The defendant states the night of the shooting, the victim and defendant handed the gun back and forth 3 times-- each taking a turn at firing at each other. Defendant reports the 3rd time he pulled the trigger, the gun discharged and victim was hit in the chest.
I also think it's possible that alcohol and drugs had a part in this incident.
It's not hard to find teens, soldiers and/or cadets-- from Alaska to Orlando that have died playing this lethal game.
These officers knew better, were trained better, but did not do better.
MOO