The abuse occurred from the late 80s to early 90s....
"No parent should ever have to witness the death of their child."...
The offences took place between 2016 and 2018....
"It was heartless and they preyed on him because of his age."...
He was part of a 'disorderly group' in Piccadilly Gardens....
GMP says he "abused his position as a police officer" and is a "disgrace" ......
"He paid the ultimate price for trying to de-escalate a situation."...
A truly horrific incident....
The 23-year-old will spend a minimum of two decades in prison....