My wife prefers sex with younger women

My 47 yo wife is bisexual and prefers to seduce girls around our daughter's age of 20. She goes to clubs and seduces these girls and sometimes it ends with bathroom sex more often it's a three some with the girls bf.
A few months ago at a high school basketball game she was really into the cheerleaders even to the point of trying to meet a couple of them after the game. Is she slowly becoming a lesbian pedophile?