A Huntsville man who, when he was 17 years old, brutally attacked his family, killing his parents and critically wounding three of his siblings, is up for parole next month.

Jeffrey Brendan Franklin, now 36, was sentenced on June 22, 2001, to life with the possibility of parole for the March 10, 1998, bludgeoning deaths of his parents, Gerald and Cynthia Franklin, and the attacks on his siblings. Under Alabama law, a person sentenced to life is eligible for parole after serving 15 years.

Franklin sought in 2013 to have his parole hearing moved up, citing the three years he'd spent in county jail prior to pleading guilty to the crimes. That request was denied.

It is unclear exactly when Franklin's hearing will be scheduled. His name does not appear on the current list of scheduled hearings on the Alabama Board of Pardons and Paroles website.

Franklin, then a student at Grissom High School, became a suspect in the case after his parents were found dead and his siblings injured inside the family's home on Camelot Drive in southeast Huntsville. A younger sister and two young brothers suffered critical head injuries, but survived the attack.

Another younger sister was not home at the time of the murders. The gruesome scene was discovered after one of the children was spotted outside, injured and bloody, by a neighbor.

A hatchet, a 2-pound sledgehammer, a rat-tail file and a butcher's knife were all used in the crime, according to prosecutors.

Franklin was taken into custody later that night after a high-speed chase that ended when he crashed into a fence. Police found him shirtless and bloody, with a pitchfork and pentagram etched onto his chest and abdomen.

An investigator testified in a hearing shortly after Franklin's arrest that the teen told police it was an "evil being" with horns sticking out of his head and eyes that committed the crimes.

The teen also told investigators he had been taking prescription drugs such as Ritalin, Prozac and Klonopin and had not slept for two days before the attack. Franklin had been under the care of a psychiatrist before the slayings.

He is currently being held at Bullock Correctional Facility in Union Springs.