A tragedy almost 20 years in the making.
September 1988:Arthur McElhill, close to his 17th birthday, attends mental health clinic while suffering from depression, and having suicidal tendencies.
October 1988:Attempts suicide.
October 1992:Disturbed by an incident in which the car he was driving was shot at, and his passenger wounded.
September 1993:McElhill is convicted of aggravated burglary and indecent assault on a 17-year-old female.
He is later sentenced to two years, with sentence suspended.
Late 1993:Aged 22, McElhill meets 15-year-old Lorraine McGovern and has "intimate relationship" with her.
August 1994:Daughter Caroline is born.
September 1996:Indecently assaults 17-year-old female.
April 1998:Sentenced to three years for this offence.
August 1999:Released.
September 1999:Caroline registered as potential sex abuse victim, and McElhill classified as at "high risk of committing sexual offences again".
November 2000:McElhill, after notifying PSNI and Probation Service, moves in with Lorraine, daughter Caroline and son Sean, at 4 Lammy Crescent, Omagh.
August 2001:McElhill, after a number of professional assessments, judged as being a "medium risk" offender.
December 2000 to September 2007:No social services involvement with family.
August 2004:McElhill assessed as "low risk" offender, remaining at this level until his death.
July 2007:Teenage friend of Caroline's starts staying with McElhills from time to time.
September 7th, 2007:McElhill is seen by his GP, who prescribes antidepressants for him. He assesses, however, that McElhill does not have suicidal thoughts.
September 11th, 2007:Incident at Lammy Crescent involving mother of teenage child.
September 19th, 2007:Police advise social services of McElhill's criminal record.
September 20th, 2007:Teenage child removed from Lammy Crescent.
October 14th, 2007:Caroline McElhill contacts PSNI in distressed manner about row with her parents.
November 5th, 2007:Social services designated risk manager visits Lammy Crescent. Arthur McElhill appeared to be in good form. Parents describe incident with Caroline as "verbal disagreement and nothing more".
November 6th, 2007:Member of public contacts social services about this dispute.
November 13th, 2007:Fatal fire at Lammy Crescent.