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Timeline of Elaine case

August 22, 2012: Elaine last seen at her family home in August 24, 2012: Her car was found parked at the Shanganagh cemetery in Shankill. A missing person investigation was launched.

September 11, 2013: A council official discovered a bag of sexual items in the water of the Roundwood reservoir in Co Wicklow.

September 13, 2013: Elaine's remains were discovered in a wooded area in Kilakee – situated on the foot of the Dublin Mountains in Rathfarnham.

September 17, 2013: Garda James O'Donoghue returned to the reservoir with the council official and discovered a crucial key fob linking the sexual items to Elaine which prompted detectives to launch a murder probe.

September 23, 2013: It's reported gardai had established the indentities of several men with whom Elaine is believed to have come into contact before she died.

October 17, 2013: A 41-year-old man is arrested at a house in Foxrock and questioned at Blackrock Garda Station under Section 4 of the Criminal Justice Act.