Gardai and Crimestoppers have launched a fresh appeal for information about the murder of John O'Regan in Ballymun in Dublin just over 12 months ago.
The 48 year old window cleaner was shot dead while cycling to work on Gateway Avenue at around half past 8 on the 15th April 2014.
The gunman was on a bicycle and wore a high-vis jacket - he escaped on the bike in the direction of Collins Avenue.
Superintendent Finbar Murphy of Ballymun Garda Station says they're still not sure why John O'Regan was killed:
