A Monroe man charged with murder earlier this month in the abuse death of his 6-year-old son last year will remain jailed while awaiting trial, a judge ruled Friday. Christopher J. Gregor, 29, was initially charged with child endangerment in the April 2, 2021 death of Corey Micciolo and released from jail. The Ocean County Prosecutor’s Office filed new charges 11 months later accusing Gregor of murder, saying the abuse inflicted on Corey led to the boy’s death. Gregor, formerly of Barnegat Township, had custody of Corey at the time of his death. Investigators obtained video surveillance from a…