UPDATE: A prayer vigil will be held 5-7 p.m. Friday at East Maryville Baptist Church for the family of the Maryville Police Department officer killed Thursday by a suspect while answering a domestic violence call.

The church is at 1150 Brown School Road.

Participants are welcome to come by at any time within the two-hour time period.

10 P.M. THURSDAY UPDATE: The Blount County Sheriff's Office has identified the suspect in the shooting death of a Maryville Police Department officer as Brian Keith Stalans, 44, of Maryville. 

Stalans was taken into custody Thursday afternoon. He is being held pending charges that will likely be filed on Friday, the Sheriff's Office said.

Shortly before 4 p.m., a deputy and the police officer, both of whom were assigned to the Fifth Judicial Drug Task Force, were in the Alcoa Trail area when a call went out about a nearby disturbance.

According to the Sheriff's Office, about 70 yards behind the house from which the call came.

They spoke with Stalans' father, the person who appeared to be the victim in the disturbance, according to the Sheriff's Office. They moved him to a "safe area."

They got behind their vehicle and waited for help, according to the Sheriff's Office. 

"As they were taking cover, Stalans opened fire on them from his father's garage, striking the Maryville police officer in the neck," according to the Sheriff's Office.

Both officers were wearing protective vests. The deputy and another deputy who arrived fired at Stalans and he was taken into custody.

Earlier Thursday, about 10:45 a.m., deputies were sent to the neighborhood about an incident between Stalans and his father.

"At the time, deputies did not have probable cause to arrest Brian Stalans," according to the Sheriff's Office. 

Stalans has an order of protection against him issued out of Sullivan County.

The two deputies involved in the shooting are on paid, administrative leave, which is routine.

Read more at WBIR's website.