A jury in Essex County has convicted a man for the 2016 stabbing deaths of two children and a college student after he saw a comment about himself on Facebook, according to prosecutors. Jeremy Arrington, 31, was convicted after a 10-day trial on 28 charges, including three counts of murder, three counts of attempted murder, burglary, criminal restraint and weapons charges, according to Acting Essex County Prosecutor Theodore N. Stephens, II. Aerial Little Whitehurst, 8, and Al-Jahon Whitehurst, 11, were stabbed to death in November 2016, in their home in the 100 block of Hedden Terrace in Newa…