What is grangegorman murders?

The Grangegorman murders were a series of killings that took place in Grangegorman, Dublin, Ireland, in 1997. The murders involved a number of homeless men who were killed by a serial killer known as the "Dublin Ripper." The killer, also referred to as Mark Nash, was eventually caught and convicted of the murders in 2015. The victims were beaten, stabbed, and strangled, and their bodies were often left in abandoned buildings. The murders caused fear and shock throughout the Dublin community and led to calls for increased support for the homeless population.