The stunning verdict, following seven days of deliberations, was read aloud by the jury foreman: not guilty on each of 26 counts.
The prosecution needed several hours to recap the case that relied heavily on the testimony of drug dealers and one former officer, Jeffrey Walker.
Michael Spicer is set to return after spending most of Friday on the witness stand.
The federal judge granted a prosecution motion to dismiss a couple of charges in a police corruption case that has ensnared six former Philadelphia narcotics officers.
The defendants are accused of using force and their positions as police officers to steal money, property, and drugs from drug dealers.
Bail hearings are scheduled for today for six Philadelphia narcotics officers charged with corruption.