WASHINGTON,  Nov. 27 -- A second suspect was arraigned Thursday in the killing of a couple in the District of Columbia, Washington police said.

The Washington Post reported Thursday that Angela Hernandez, 20, was arrested late Wednesday in Maryland. She was ordered held without bail.

Police papers say Hernandez has admitted tying Dr. Michael Spevak, 68, a psychiatrist, and his wife Virginia, 67, a former teacher, with telephone cords while two others robbed their home.

The couple were found dead Saturday night, the newspaper reported.

Hernandez was reportedly a friend of a foster daughter of the Spevaks. Police papers say she pointed out the house to two male friends last Thursday, and one of the friends suggested robbing it.

Her arrest came a day after the first suspect, Peiro Fuentes Hernandez, 21, who is not related to Angela Hernandez, was arrested. (UPI)