TULSA - A toxicology report released Wednesday for the four women found bound and shot in a south Tulsa apartment earlier this year revealed methamphetamine and amphetamine in each of their systems.
Misty Nunley, Julie Jackson, and twin sisters Kayetie Melchor and Rebeika Powell were found fatally shot Jan. 7 inside a Fairmont Terrace apartment, near 61st Street and Peoria Avenue. A toddler was also found in the home, unharmed.
READ: '4 found dead, shot inside Fairmont Terrace Apartments' (bit.ly/Fairmontdeaths)
Wednesday's releases were attached to the victims' autopsy reports, which confirmed the women each died of gunshot wounds to the head.
All four were also found with hands tied behind their back from "bedding material", and in one case a pink scarf, according to the reports.
Brothers Cedric and James Poore were arrested and charged for the murders about a month later.
READ: 'Brothers arrested in Fairmont Terrace quad murder' (bit.ly/Fairmontarrests)
Police say the men planned to rob the women and shot them during the robbery. Both have pleaded not guilty.