if a kid is taught that violence and death are normal from T.V., school, VGs, etc. then yeah they'll think it's totally normal to kill or hurt people.
but then again us, our parents, our siblings, cousins, etc. are/have growing/grown up with these things and haven't become psychopaths have they?
if a child is abused mentally/sexually/physically and taught that killing and maiming is the only way then yes they may become a killer.
children from a young age hurt each other for fun, girls stop at around 6-7, boys don't. they kick, shove, punch amongst many other things that apparently happen in the change rooms, and i don't wish to know about them, the screams are enough.
so boys are brought up thinking that violence is good and fun. where do they learn this mainly? VGs, games like that assasination game i heard about being banned b/c it was so realistic
i saw a yr 1 boy playin a bloody war game instead of learning how to type and spell, the floor on the screen had blood all over it and corpses rotting around his character, he turned around and smiled at me. the teacher did nothing about it.
who would let a 5-6 yr old child play a war game? would any parents on this forum let their child play that game? if i ever have children i wouldn't, and i'm the least responsibile person i know for my age
so overall i'm sayin that dependin on the child's home/school enviroment and their childhood, yes when they grow up they could become killers. when they grow up they could become any form of criminal, paedophiles, rapists, serial killers, robbers, etc.