The location of the Colorado theatre shooter has finally been revealed by federal prison system authorities.
James Holmes is currently serving 12 life sentences for killing 12 people and injuring 20 others at a screening of The Dark Knight Rises in 2012 at the Allenwood prison, Pennsylvania.
The shooting spree attracted global attention and was dubbed 'the Batman massacre' in some sections of the media.
The location of the mass murderer had been kept a secret since he was sentenced. He was also moved from a Colorado prison after being attacked, according to Yahoo News.
Since then officials have given various reasons for the secrecy of his location, such as his own safety, the safety of prison officers and other prisoners and rules that couldn't be changed.
Whilst the uncertainty lingered, those who knew the victims campaigned for information to be released.
They had asked the Colorado’s Victims’ Rights Subcommittee for information, but the committee ruled it couldn't make the Colorado Department of Corrections reveal Holmes' location.
Arapahoe County District Attorney George Brauchler, who attempted to get Holmes the death penalty, said: "I want the victims to know a certain peace in learning where he’s housed. That brings me great relief on their behalf."