41 of the 90 patients in the centre in 2020 had been charged with murder
Two people were discharged from the Central Mental Hospital last year after spending an average of 10 years in detention.
41 of the 90 patients in the centre in 2020 had been charged with murder.
About four out of every five people were sent there after being found not guilty of a crime, by reason of insanity.
Consultant psychiatrist, Punchestown resident, Patricia Casey, from the Hermitage Medical Clinic in Dublin, says long periods of detention are often needed.
She says long periods of care are often needed.

Two Men Charged In Connection With €4 Million Cocaine Seizure In Kildare And Wexford
Court Dismisses Bid To Block Super Junior Ministers From Cabinet Meetings
Driving Testers At RSA Balloted For Industrial Action Over Concerns About Uninsured Vehicles
Homes Undelivered After Substantial Deposits Paid, Kildare Council Warns Of Potential Unauthorised Works
Over 1,000 E-Scooter Fines Issued As Kildare TD Calls For Tougher Penalties After Child Injured
Court Told Man Accused Of Knife Attack On Children Outside Dublin School Unfit To Stand Trial
Celbridge "Affordable" Homes Come With Council Equity Stakes
Lucan Woman Pleads Guilty To Sending Threatening Messages To Tanaiste