Minutes after an aspiring police officer placed a call to 911 complaining that he was being harassed by two off-duty Buffalo cops as well as the management of a bar he was in, he was beaten into unconsciousness before getting thrown down the stairs, then placed in handcuffs even though he was out cold.

William Sager, 28, is now permanently brain damaged.

When the on-duty cops arrived to investigate the call, they found a surveillance video tape of the incident in the trash nearby, which sources said was placed there by the management of Mollys Pub.

Police also "collected" videos from witnesses who recorded the incident, most likely seizing the phones unlawfully under threat of arrest and intimidation....