Authorities touted the use of a growing, powerful, yet contentious forensic technique to bring the search for a suspect in last year’s killing of Rachel Morin to a long-awaited close. Authorities touted the use of a growing, powerful, yet contentious forensic technique to bring the search for a suspect in last year’s killing of Rachel Morin to a long-awaited close. Molecular & Computational biology Phys.org – latest science and technology news stories