Magneto, who brutally murdered the mutant teenage girl, Esme Cuckoo after statutorying her while both high on illegal drugs he supplied:
Is now allied with Black Tom Cassidy, as of UXM 12, who dismembered the mutant child named Squid Boy in X-Men 162 :
http://marvel.com/universe/Squid-Boy
Significant Issues
Killed by Black Tom (X-Men #162)
Always remember the subliminal messages hidden in these comics and the inane amount of sugar coating they throw over those characters' heinous crimes.