The Guardian Angels have been patrolling Patchogue since the stabbing death of immigrant Marcelo Lucero in December.On Saturday, the members of the group spotted railroad conductors struggling with an unruly passenger at the Patchogue train station. They said the rowdy passenger, John Eleazer, injured one of the Guardian Angels, leaving him with 70 stitches.Eleazer, of Centereach, has pleaded not guilty to assault.