>> it was just a big burden on my shoulder, really. you know? knowing you took somebody's life. you didn't want to take their life. my intentions were not to take his life, they were just to beat him up, whatever. >> how did it go so wrong if you were only going to beat this guy up? >> when i grabbed the kitchen knife, that's how it went so wrong. i should have never grabbed it, you know. >> tovar, who has prior convictions for crimes including auto theft, gun and drug possession, is also an admitted member of the nortenos, a violent northern california based gang. according to investigators, tovar had a troublesome history with afoa and was once beaten up by him at a party. >> they beat me up, throwing rocks through my window. he's bringing it upon himself all this, you know? >> afoa was allegedly stabbed numerous times by tovar and another man who is also in custody at santa rita but