A former MUSC surgical resident who was arrested on a charge of stalking a woman and ordered to undergo a psychiatric evaluation two years ago was taken into custody again Wednesday afternoon. Members of the Charleston County Sheriff’s Office SWAT team, working with the Department of Mental Health’s Mobile Crisis Unit, took Karl Ehrens into custody at his West Ashley house about 3:30 p.m. Wednesday, Maj. John Clark said.

The SWAT team action was prompted by disturbing emails and other communications, including some to court officials, since Ehrens arrived in Charleston for his upcoming trial, according to sources.

Read more in Friday’s editions of The Post and Courier.