By saying that other officers didn't do anything wrong, he portrays himself as one rogue officer making, ahem, 'mistakes'. You know, like all those other one-off rogues he worked with and commanded. His explanation and apology, if they get believed, are not only helpful to his present career but also to the police's attempted narrative.
Two months ago Radio 4 broadcast a documentary called Living With Secrets that featured an interview with an unnamed ex-undercover officer. They perpetuated the fiction that what the undercover officers did - including, we now know, Bob Lambert - was against orders. The officer said that in their job the key thing was
never get too involved, not too personally involved. Definitely don't get romantically involved.
Specifically asked about Mark Kennedy and his sexual relationships with the activists he was sent to infiltrate, the officer said
It's a different time and a different age. As far as I'm concerned, that is dreadful.
Who was the anonymous officer disowning acts committed by Lambert and co? Compare the voices.
The BBC interview