Law enforcement officials Monday identified Shannon Edward Estill, 58, as the man who was shot and killed by a Pleasanton police officer after allegedly pointing a replica handgun at police during a family dispute on Burgundy Drive on Saturday morning.

Keith Batt, a 17-year veteran with the Pleasanton Police Department, is the officer who shot Estill, according to Lt. Maria Munayer. The officers involved in the shooting are no longer on paid administrative leave and were expected to return to work this week.

"I extend my sympathy to the Estill family as any loss of life is tragic," Pleasanton police chief Dave Spiller said in a statement Monday. "I would also like to extend my support to our involved officers, their families and the members of the Pleasanton Police Department."

Pleasanton police released additional details about the incident Monday, which began at 11:36 a.m. Saturday when they received a 9-1-1 call from Estill's wife reporting that he was acting erratically, according to Munayer.

Fearing for their safety, Estill's wife and daughter locked themselves in an upstairs bedroom and the wife told police that Estill was in the garage where he had access to firearms, Munayer said.

When officers arrived, they approached the side yard where they could hear a person who they believed to be Estill, the lieutenant said. Police opened the side yard gate and directed him to come out to no avail.

While approaching the open side door to the garage, officers heard what sounded like a round being chambered into a shotgun, and one officer reported seeing the barrel of a shotgun pointed in his direction, Munayer said.

Officers immediately moved to the front of the residence in response. Estill then opened the garage door and advanced down the driveway while pointing at police with what was later identified as a replica handgun, according to Munayer.

The lieutenant alleged Estill ignored police commands to drop the apparent firearm, leading Batt to fire his weapon. Police declined to confirm the number of shots fired or how many times Estill was hit.

Estill died at the scene. His wife and daughter, who remained in the upstairs bedroom during the incident, were uninjured. No officers or witnesses were hurt during the situation, Munayer said.

Estill did not fire any weapons at officers. Multiple firearms, including pistols, rifles and a shotgun, were recovered from the home, according to Munayer.

Pleasanton police are working with the Alameda County Crime Lab on the investigation, and the Alameda County District Attorney’s Office is conducting a separate investigation of the fatal officer-involved shooting, as is protocol, Munayer said.

All of the officers involved were wearing and had activated their body-worn cameras, which are being reviewed as part of the investigation, according to Munayer. Footage from the cameras, as well as audio of the 911 call will not be released at this time.

"It's considered evidence that still needs to be examined," Munayer said.

Munayer declined to comment on whether police had had prior interactions with Estill "to respect the privacy of the family."

Saturday's incident marks Pleasanton's second fatal officer-involved shooting in less than two years.

San Jose resident John Deming Jr. was shot and killed by Officer Daniel Kunkel in the early-morning hours of July 5, 2015 during an altercation after the 19-year-old man reportedly tried to flee from police who were responding to a burglar alarm and found him acting erratically inside the Specialty Sales Classics car dealership on First Street.

The DA's Office cleared Kunkel of criminal charges, deeming the officer acted in lawful self-defense. Deming's family has sued the city and police department for wrongful death. The civil case is still pending.

Prior to that, Pleasanton police hadn't had an officer-involved shooting of any kind since 2005 -- the department's last fatal officer-involved shooting was 2000.