"Maybe that was a lesson learned," Harrison toldThe New York Post in a Friday report.
"I can't let that happen again. I just need to go out there and butcher a girl on live TV like she is on a witness stand."
While Papa and Callahan were both complicit in the alleged relationship, Harrison said he's upset that Callahan's identity also ended up being revealed in subsequent media reports -- a development he blames squarely on Papa.
"It really sucks that [Callahan's] name came out and his picture came out, because that was never our intention," Harrison told The Post.
"He has her to thank for digging all this up and making it 10 times bigger."