A robber who carried out a vicious attack on two people in a city park was arrested an hour later when he couldn't find his way out, a court heard.
Gardai arrested Adam Doyle (21) in Dublin's Merrion Square park after he had punched one victim and struck a second man across his head using a medical crutch.
Between them, the victims suffered fractures to the nose and hand. Doyle was arrested an hour later.
Garda Christopher Jones told the defence that Doyle had taken a large number of tablets, adding: "I don't think he was able to find the exits."
Doyle, of Grange Park Road, Rathfarnham, pleaded guilty at Dublin Circuit Criminal Court to robbery of cash and a wallet from Alan Gravlee and robbery of a mobile phone and money from Keelan Keogh on July 10, 2012.
Judge Martin Nolan jailed the man for two years.
Doyle has seven previous convictions including one for a 2010 robbery for which he received a suspended sentence of four years. Part of this sentence was reactivated in October and the two-year sentence will be consecutive to this prison term.
Gda Jones told the prosecution that the victims had met up after work in the park that evening when three "junkie type" guys came up to them and asked if they had any cigarettes or drugs.
When the victims said they didn't Doyle began punching Mr Keogh in the face.
Doyle then took a crutch off one of his accomplices and hit Mr Gravlee on the head.
Mr Gravlee, a US citizen who was a tourist here, suffered fractures and needed stitches to his scalp. Mr Keogh suffered a fracture to a nasal bone, cuts to his lip and bruising to his chest.