Because of his expertise in forensics , Pierre Margot has worked on several international issues . In 1972 , he participated , in Northern Ireland , to the investigation of the Bloody Sunday with Doug Lucas and Peter Forest . He then continued his international involvement in 1985 , during his participation in the investigation of the Sinking of the Rainbow Warrior . In 1989 , while working at the Australian National University in Canberra , Australia , he participated ( with Ron Warrener , Hilton Kobus , Milutin Stoilovic and Chris Lennard ) to the invention of the Polilight . He participated , among other during his career , to the investigation of the massacres of the Order of the Solar Temple ( 1994 – 1997 ) in Canada and in Suisse as well as on the Omagh bombing in Northern Ireland ( 1998 , with Doug Lucas and Peter Forest )
Omagh bombing
Omagh bombing
Pierre Margot