CLAYTON — A Clayton man was indicted on two first-degree murder counts Monday in connection with an alleged incident in late 2015 in Smyrna.

Gilbert E. Rochester was 66 at the time the Delaware State Police announced his arrest during an investigation into the deaths of a mother and her daughter at their home east of Smyrna on Dec. 13.

On Monday, a Kent County grand jury also indicted Mr. Rochester on two counts of possession of a deadly weapon during the commission of a felony; the indictment cited a flashlight and/or fish bat as a weapon, along with a knife.

Gilbert L. Rochester

Authorities said earlier they investigated an incident at 334 Hawkey Branch Road. Two women were found dead at the residence, and police said a suspect was taken into custody shortly afterward.

Louise M. Cavuto Carrow, 80, was fatally assaulted as she walked to a detached garage on her way to church sometime between 7:20 and 7:30 a.m. police said.

Mary C. Lane, 56, was stabbed to death after she left the home and headed toward the garage, according to authorities.

Neighbors called 911 upon hearing screams in the area, and witnessed an assault on Ms. Lane, police said.

According to authorities, Mr. Rochester was located near some woods on the property holding a knife shortly after the alleged incident. He was Tasered by a Clayton Police officer after refusing commands to drop the knife, according to Delaware State Police. Mr. Rochester was taken by EMS to a hospital for treatment regarding the Taser, and released.

Police said Mr. Rochester and Ms. Lane were in the process of getting a divorce at the time.

Mr. Rochester was arraigned at Justice of the Peace Court 7 in Dover and held without bail at James T. Vaughn Correctional Center near Smyrna.

The Delaware State Police Homicide Unit investigated the matter.

Deputy Attorney General Nicole Hartman signed the indictment for the state.