LACEY, Wash. -

A Spanaway, Wash., man accused of making phone threats against workers at an Oregon Department of Human Services office has been arrested.

Lacey, Wash., police Lt. Phil Comstock says the man called a U.S. congressional field office in Lacey on Tuesday and threatened to shoot people in the Human Services office in Salem, Ore.

KOMO-TV reports that Comstock says the man was upset about the outcome of a child custody issue.

Detectives arrested 44-year-old Jeffrey Karvanek on Tuesday evening and booked him into the Thurston County Jail for investigation of felony harassment.