Should I tell this girls parent, Or stay out of it?

[Alice]

I know a boy (15 year old) that hacked his ex-girlfriend's (also 15) Facebook account and put up "personal" photos of her onto Facebook, as well as other websites simply because of his jealousy towards her new relationship-luckily for the girl, the photos were able to be deleted pretty quickly, but anyway-this boy now has a girlfriend (15/16) & I noticed that her parents are aware of their relationship because there is a photo of the couple kissing & the mother of his girlfriend comments, advising her not to put up things like that-I feel the mother should know what this boy did to his ex-girlfriend, but I'm debating whether I should tell the mother annonymously about it, or just stay out-I mean I know most will advise to just stay out (and please give me a reason why other than "it doesn't concern you"), but incase there's anyone who thinks I should tell her, if you can, please give me a good reason as to why I should, & also how I could word it if I tell her...please and thank you

[Alexis]

You should. The mother will greatly appreciate being notified on it! The girl may not right away, but she will later. Tell her.

[SGM]

Sure. Go ahead and send the mother an anonymous message. Tell her you agree with her comment about not posting private pics because he posted 'personal' pic of his last girlfriend after hacking her account when they split up. Mention the ex-girlfriend's age and a description, but not a name. That's all.

[Daniel]

Yes you should. You can prevent her from being bullied or feeling ashamed. She might even try to hurt her self. We can never truly know how one person is really feeling. That's why in some cases its ok to think of someone might react in a extreme ways. Like suicide or murder. There was a girl in Canada who had a private picture of her shared online and was bullied and killed her self. Look it up on YouTube.

[SFE]

After seeing all the stories of young girls committing suicide for similar reasons/situations I'd say the RIGHT thing to do is tell the mother.

Also, perhaps police should be involved as even though he is 15 yrs old, posting pictures of a minor is still CHILD PORN and he can still get a lesson by having to deal with the police that might stop him from doing this again.
His parents should be informed, and the parents of the girl should be advising the police right now.
It is bad parenting on BOTH sets of parents behalf to let this sadistic behavior slide.

[Bazza]

A situation that you were aware of....that involved adults....I would say, don't interfere.

You're dealing with adolescents here, and this mother has the right to know just whom her daughter is so closely associating with!

And NOT anonymously! Is anonymity meant to protect you in case the mother gets angry? You have no reason to be 'secretive'. I'd be more likely to dismiss your 'anonymous' information as akin to a poison pen letter than take any notice.