He admitted 185 charges - including the manslaughter of schoolgirl Cimarron Thomas.
A county Armagh man who's online catfishing drove a 12-year-old girl in the US to take her own life has been jailed for at least 20 years.
26-year-old Alexander McCartney from Lissummon Road, outside Newry befriended young girls online, persuaded them to send sexual images, then blackmailed them.
He admitted 185 charges - including the manslaughter of schoolgirl Cimarron Thomas.