Jamie reynolds was obsessed with porn and murdered  17-year-old policeman's daughter Georgia Williams he was sentenced to life in prison

and a 3rd party co-conspirator

they would pick random pedestrians n bludgeon them with blunt objects such as hammers and construction bars

their spree came to public attention after a survivor (14 year old victim) ran to the police after his friend was murdered by them and also when a victim female was beaten to death in front of many witnesses, the police investigation was initially very secretive. the 3 were arrested after the spree ended when suprunyuk tried selling a mobile phone which belonged to one of his victims so law enforcement were able to track his location

the three of them were all charged with numerous instances of pre-meditated murder (excluding hanzha), animal cruelty robbery and armed robbery

they all immediately confessed and the two murderers were sentenced to a life of imprisonment

the videos of their murders received a large amount of attention. one of the videos was online. 

they often aimed for faces, beating them so badly that the victim was often unrecognisable  

mutation torture and gouging of the eyes

Canadian murderer

Claimed to suffer from paranoid schizophrenia

Stripper, Porn actor, escort

Attempted to find a career as a model and actor before turning to these careers

Murdered via stabbing and dismembering a Chinese person by the name of Jun Lin and then had sex with his corpse and filmed it (necrophilia)
Aliases-

Vladimir Romanov, Mattia Del Santo, Jimmy, Justin, Angel, and Kirk Trammel. 

Snuff films

Filmed his killings mailed his victims hands and feet to elementary schools and police stations

Media? Don’t fuck with cats

Luka Magnotta after he gained international notoriety in 2010 for sharing a graphic video online of himself killing two kittens in a plastic bag, and suffocating them with a vacuum cleaner.