LAPD Cmdr. Andrew Smith said the department opened its case after receiving information "regarding allegations of criminal behavior" involving the actor in 2012. But no crime report was ever made and no victim was verified, he said.
The case is no longer considered active, but Smith said LAPD officials are reviewing the investigation "to make certain that nothing was missed."
"The case here has not been reopened," he said, "we are merely reviewing the case for accuracy."
No additional information about the allegations, including their specific nature, was provided.
Celebrity news site TMZ published an audiotape Tuesday that it said was recorded by Collins' estranged wife during a therapy session with the actor. The man on the tape admits he sexually abused three underage girls — two in New York and one in Los Angeles, TMZ reported.
Smith said the department had been in contact with the
"We're looking into it," Smith said.
The NYPD confirmed in a statement that an investigation had been opened, but did not elaborate.
"There is a formal complaint on file and the incident is being investigated by the Manhattan Special Victims Squad," the statement said.
Collins, 67, has appeared on numerous television shows, films and on Broadway. After news of the NYPD's investigation broke Tuesday, he was dropped from the film "Ted 2." An Atlanta-based cable company also pulled "7th Heaven" reruns from its schedule.