[citation needed] He has published a number of papers in professional journals, mostly in the area of alcoholism or psychopathology in adolescents.
[citation needed] Lydon was awarded a Council of Europe Medical Fellowship in 1977 in order to go abroad to study "Residential Treatment of Disturbed Adolescents".
[citation needed] The Criminal Assets Bureau secured a freezing order from the High Court on 26 July 2007 based on its investigation of corruption in respect of bribes allegedly paid to councillors by Frank Dunlop to secure the rezoning on 16 December 1997 by Dún Laoghaire–Rathdown County Council of 107 acres (0.43 km2) of land assets owned by Jackson Way Properties at Carrickmines.
Lydon stood charged with corruption following his district court appearance on Friday 22 October 2010 along with 3 other former FF councillors.
[8] It has been reported that there will not be an investigation into his expenses as "there is no provision for looking into the expenses claims of former members of the Oireachtas"[9] On 27 March 2012, after being named in the final report of the Mahon Tribunal for receiving corrupt payments,[10] Lydon resigned from Fianna Fáil before he could be expelled.