NEW : A friend says ` ` something happened '' to Itzcoatl , after a military tour . ` He seemed really depressed and down , and things in his life were n't looking that well . '' NEW : He says the once fun - loving man became preoccupied and ` ` depressed '' The suspect 's father read a paper that his son , himself , was homeless . The suspect is accused of killing two homeless men in Southern California .
NEW : A friend says ` ` something happened '' to Itzcoatl , after a military tour . NEW : He says the once fun - loving man became preoccupied and ` ` depressed '' The suspect 's father read a paper that his son , himself , was homeless . The suspect is accused of killing two homeless men in Southern California .