Police Arrest Second Person of Interest Linked to Pennsylvania Murders of 4 Men

Bucks County District Attorney's Office photos show L-R, top row: Dean Finocchiaro, 18, and Tom Meo, 21, L-R bottom row: Jimi Patrick, 19, and Mark Sturgis, 22 as authorities say they are searching for the four missing men in Bucks County, about 40 miles north of Philadelphia, Pennsylvania, U.S. on July 11, 2017. Courtesy Bucks County District Attorney's Office/Handout via REUTERS

Cosmo DiNardo, 20, has confessed to the commission or participation in four murders, attorney Paul Lang said outside the Bucks County courthouse, where DiNardo had met with investigators. Bucks County District Attorney's Office