Sharon Kohlhoff

(Photo courtesy Maryland State Police)

A Wicomico County, Maryland, woman is charged with shooting her husband to death Friday night.

Sharon Kohlhoff, 55, gunned down her 51-year-old husband Robert as the couple argued at their Sharptown home around 10:30 p.m., Maryland State Police said.

Prior to the shooting, Sharon Kohlhoff called police and asked about getting a protective order against her husband, but police said she didn't ask for any other assistance.

Sharon Kohlhoff is in custody on first-degree murder, assault and weapons counts.