CNN 's Trisha Henry contributed to this report . Ryan Lammers ' mother turned him in to police after he bought 2 assault rifles . His mom , Tricia , says mental illness is her son 's only concern . Currently Lammers is serving two concurrent life prison terms .
Ryan Lammers ' mother turned him in to police after he bought 2 assault rifles . His mom , Tricia , says mental illness is her son 's only concern . Currently Lammers is serving two concurrent life prison terms .