He said that investigators from the department's Internal Affairs Bureau had not identified the officers in the tape.
Hundreds of officers were later interrogated by the department's Internal Affairs Bureau.
Ballistic evidence was later found by the Internal Affairs Bureau according to the article.
The incidents were reported to the Internal Affairs Bureau about two weeks ago by another officer.
They said the Internal Affairs Bureau was investigating the case.
Officers at the scene said he was assigned to the Internal Affairs Bureau.
The officials played down the reports and said the officers were not being investigated by the Internal Affairs Bureau.
The division has since become the Internal Affairs Bureau.
He is assigned to the Internal Affairs Bureau and joined the department in 1992.
That investigation, by the department's Internal Affairs Bureau, did not amount to much, according to police documents.