A 19-year-old Dublin man has been charged with the death of Stephen O'Halloran in Tallaght on January 19.
The 20-year-old was shot in the head as he sat in a car outside his mother's house at Kilmartin Drive.
Nineteen-year-old David Patchell of Rossfield Crescent in Tallaght was arrested on Tuesday morning under Section 50 of the Criminal Justice Act.
He appeared at a special sitting of Dublin District Court today where he was charged with the murder of Stephen O'Halloran.
He was also charged with two separate offences under the Non-fatal Offences Against the Person Act.
He's been remanded in custody to appear at Cloverhill District Court on Friday, April 24.