The Brief Authorities and family members are seeking answers in the unsolved April 1998 homicide of 23-year-old Raul Aguilar in Phoenix. His daughter, Rocio, who discovered he was her biological father three or four years ago, is advocating to help bring closure to the cold case. Officials and family members are searching for answers in an unsolved homicide case from April 1998. What they're saying:Detective Mike Fischer and Aguilar's daughter, Rocio, discussed what was stolen from her family and what the past 28 years have been like. And I took that responsibility on being his only alive daughter," Rocio said.