WHITE PLAINS - Federal prosecutors will seek the death penalty against a former cop charged with abducting and killing four Middletown men in 2016.The four men, Martin Santos-Luna, 41; his nephews Urbano Morales-Santiago, 35, and Miguel Sosa-Luna, 25; and friend Hector Gutierrez, 32, disappeared on April 11, 2016. A relative’s 2010 Chevrolet Equinox, borrowed for the day, was found outside the Chester Diner in Chester.Prosecutors say Nicholas Tartaglione, 51, a [...]