A man who was convicted of killing his father and a family friend at a Jamesburg home they shared in 2019 and then setting it on fire, was sentenced Friday to 70 years in state prison, authorities said. Jaree Kitchen, 24, of Jamesburg, was found guilty on June 1 of the murder of his father, Clifford Kitchen Jr., 53, and Gregory Fisher, 53, both of Jamesburg, according to a statement from the Middlesex County Prosecutor’s Office. He was also found guilty of aggravated arson, two counts of desecrating human remains, tampering with evidence and weapons-related offenses. Kitchen had recently retur…