Michael Martin, Shemeeka Barros, Damien ColonThree suspects pleaded not guilty Monday in the killing of three people in Providence.
Timothy Debritto, 27, Russell Burrell, 17, and Quandell Husband, 16, were arraigned on murder charges in Superior Court. Husband was waived out of Family Court last year and is being tried as an adult.
The suspects also face gun and conspiracy charges.
Prosecutors said Shemeeka Barros, Michael Martin and Damien Colon were shot and killed during a robbery attempt in Barros's apartment on July 30.
Debritto also was recently sentenced to 50 years in prison for his role in the shooting of Gary Ellerbe in May.
A fourth suspect in the killings, Donovann Hall, pleaded guilty Friday to three counts of murder and conspiracy.
