Illegal, maybe; paedophilia, definitely not. It's an extremely misused word on this board for some reason.
I disagree; in fact, due to personal experience with this breed of pervert, I really think the identifier probably isn't used often enough.
My sister was 14 when her 20-year old "boyfriend" impregnated her with my niece. Because of the "kids will be kids" mindset, the state of Washington declined to prosecute the lad for statutory rape, a crime for which he was clearly guilty, and in fact, later granted him joint custody of my niece. Well, come to find out later, that his predilection for younger than legal poontang didn't end when he "became a daddy"; starting about the time my niece was 12, the lad's neighbors were filing complaints that he was molesting her. It took until she was 17 before the prosecutor's office was willing to step in and charge him - they charged him with 2nd degree molestation, and my niece was prepared to testify that he'd raped her as well. Then, the day before she was supposed to appear in court to testify against him, he had her disappeared - with the assistance of his father, a county sheriff's dispatcher. Surprise; prosecution's key witness isn't there to testify, the judge "was forced" to dismiss the case. Two years after my niece reappeared, we're still waiting for the prosecutor to pull his head out of his ass and do his job, and my niece's sperm donor has skipped the state.
Point of the story is that the lad was a pedophile when he committed his original act of statutory rape, and if the hand wringers had only properly identified him as such and prosecuted him on it instead of looking the other way, a whole lot of heartache might have been avoided.