C'mon Kent, take a leap of faith, be truthful.. although if he does that Lane would have a hard time believing it wasn't him in 1992. On the other hand, it seems that Lane might already have guessed somethings and it won't matter whether Kent admits or not, Basically whatever he says, it's almost impossible for them to resolve the past satisfactorily...
If she had to move heaven and Earth, perhaps come back to haunt Perry and explain the story after they'd killed her, she would do it.