A man was shot and killed by law enforcement officers in the pre-dawn hours Friday morning following an armed standoff on Chestnut Ridge Road which ended when the suspect reportedly raised his weapon at SWAT team members. The man, Clifford Keller, 34, died after suffering at least one gunshot wound from rounds fired by lawmen who had taken up positions around his camper located on property off Chestnut Ridge Road. The road is a small secondary road located off Viola Road.