Another man arrested in connection with the murder of an RUC officer in Derry in 1993 Michael Ferguson was shot dead on Shipquay Street Michael Fegruson was shot dead in Derry in 1993. Reporter: '); '); Detectives from PSNI Legacy Investigation Branch, investigating the murder of police officer Michael Ferguson in Derry in January 1993, have today arrested a man in the city as part of their ongoing enquiries into the killing. The 51-year-old man has been arrested under the Terrorism Act and taken to the Serious Crime Suite at Musgrave Police Station for questioning. Constable Ferguson, from Omagh, was shot twice, at close range, in the back of the head by an IRA gunman in Shipquay Street on January 23, 1993.