EXCLUSIVE: Louth murders: Loving messages of couple killed with son in horror attackMark and Louise O'Connor, who were killed alongside their son Evan on Monday, celebrated their 33rd wedding anniversary just days before the tragedy - and shared heartwarming messages onlineA married couple killed alongside their son in a suspected triple murder shared doting messages to one another just days before the tragedy. ‌Mark and Louise O'Connor, aged in their 50s, and their son Evan, 27, were fatally injured in a violent attack at their home in Tallanstown, Co Louth, on Monday morning. The mother was also a lovely woman, she worked as a nurse and the son who was also killed was a lovely lad." Both Mark and Louise were passionate advocates for their son Evan and for all autistic people. Mark, Louise and Evan will always remain part of the Abacas family.