The seven-page handwritten letter obtained by 10News' media partner U-T San Diego, details how 22-year-old Brittany Killgore may have been killed and by whom. The letter was found in the same hotel room as one of the suspects, Jessica Lynn Lopez.It details what may have happened to Killgore at the Fallbrook home Lopez shared with Camp Pendleton Marine Louis Ray Perez. The home is owned by Dorothy Grace Marie Maraglino, who the letter reportedly draws focus away from.Maraglino was arrested on Thursday in connection with Killgore's death. Perez and Lopez have been charged and have pleaded not guilty.The letter was found inside a Ramada Inn in Point Loma, where prosecutors say Lopez attempted suicide the same day Killgore's body was found dumped down the road from Lake Skinner near Temecula.In the letter, Lopez chastises investigators for arresting Perez on an unrelated weapons charge and writes, "You have the wrong [expletive] person."The letter states that the night Killgore was killed, Lopez grabbed her ankle, slammed her into some stairs, bound her with duct tape, zapped her with a stun gun and strangled her with a rope.Lopez goes on to state she drove Killgore to Oceanside, where she dumped handcuffs and a knife in a portable toilet at the beach, then disposed of Killgore's body near Lake Skinner.The note also indicates a possible motive for the murder was jealousy.Maraglino will appear in court on Monday.Lopez's attorney told U-T San Diego not to believe the contents of the letter.