The deputy charged with the killing of Massey was discharged from the U.S. Army for “serious misconduct” in 2016 and held six different police jobs in the last four years, ABC News has learned.

The ex-sheriff's deputy who fatally shot Sonya Massey was discharged from the U.S. Army for “misconduct (serious offense),” according to documents obtained by ABC News.

Illinois Law Enforcement Training and Standards Board records show that Sean Grayson worked three full-time and three part-time jobs over the past four years.

Former Illinois Deputy Sean Grayson is now charged with murdering the mother of two after she called 911 to report a prowler.

Sonya Massey, 36, was shot and killed by police after calling 911 to report a possible intruder.

Body worn camera footage of the fatal shooting of Sonya Massey, a woman who was shot by a deputy after calling 911 to report a possible intruder, was released Monday.

Officials have released body camera video that reveals a chaotic scene in which a Black woman in Springfield, Illinois, who called 911 for help was shot in the face in her home by a white sheriff’s deputy

A funeral was held Friday for Sonya Massey, a Springfield, Illinois, woman who was shot by a police deputy after calling 911 to report a possible intruder, according to authorities.

Three suspects have been taken into custody, police said Friday.

An Illinois Sheriff’s deputy has been charged in the death of Sonya Massey, a woman who called authorities to report a possible intruder and was shot in her own home.

An Illinois deputy allegedly shot a Black woman in her own home Saturday, resulting in her death.

A 28-year-old man who worked for a business in Yellowstone National Park was identified by officials as the suspect killed in a shootout with rangers on July 4.

New York State Attorney General Letitia James announced an investigation into the fatal police shooting of a 13-year-old boy in Utica. The boy allegedly pointed a pellet handgun at officers.

Newly released body camera video shows the moment Nyah Mway and his friend were stopped by officers Friday night in Utica, New York.

Police say the boy had brandished what turned out to be a fake gun. ABC News’ Andrea Fujii has the new details.

Three Utica, New York, police officers are under investigation after one shot and killed a 13-year-old boy who allegedly pointed a replica handgun, investigators said.

Police say that 13-year-old Nyah Mway was allegedly shot and killed after he pointed a replica handgun at police officers during an encounter on Friday night.

Authorities say a 13-year-old boy pointed what police say appeared to be a handgun at officers during a chase.

A New York City police officer has been arrested for allegedly shooting another driver in an apparent road rage incident, prosecutors said.

Two New York City police officers were shot while confronting a suspect, described as an undocumented migrant from Venezuela, authorities said.

After new evidence was presented by the defense, use of force experts told prosecutors would not "succeed at trial," according to Hennepin County Attorney Mary Moriarty

The mother of Airman Roger Fortson, killed in his own home by a sheriff's deputy, speaks out after deputy Eddie Duran is fired

A Minnesota trooper who fatally shot a Black man during a routine traffic stop in July has had the charges against him dismissed.

Two New York City police officers were shot Monday while chasing a moped-riding serial robbery suspect authorities described as an undocumented migrant from Venezuela.

The officers were taken to a local hospital, listed in stable condition and have since been released.

The Okaloosa County Sheriff’s Office released calls and records detailing the deadly shooting that killed U.S. Senior Airman Roger Fortson after he opened his front door to police knocking.

Officials say the three officers are in stable condition and the unidentified suspect was killed in the shootout.

Investigators identified the four members of law enforcement who were killed and the four wounded in a shootout with a suspect who was heavily armed.

The sister of Officer Luis Huesca is pleading with the public to help investigators identify and catch a suspect who allegedly gunned him down.

Four members of law enforcement were shot and killed and four were wounded while they attempted to serve two warrants in Charlotte, North Carolina, police said Monday.

The U.S. Marshals Task Force had been conducting an investigation in Charlotte, North Carolina, when a suspect opened fire, police said.

Three law enforcement officers were killed and five more were wounded in a shooting incident in Charlotte, North Carolina, on Monday afternoon, authorities say.

Hoping for a break in the homicide investigation of Chicago police Officer Luis Huesca, investigators have released security video of a person of interest.

A Chicago police officer, who was gunned down Sunday outside his home after returning from his shift, had his gun taken from him as well as his car in the attack.

The teen, Valentina Orellana Peralta, was struck by the stray bullet while Christmas shopping with her mother in North Hollywood on Dec. 23, 2021.

An Albany, New York, police officer was shot in the leg by a driver during an attempted traffic stop, according to the police chief. The suspect was killed after the officer returned fire.

A sheriff's deputy and a police officer have died after shots were fired as they investigated a suspicious vehicle in Salina, New York.

The family of an Ohio 15-year-old shot by police while holding what turned out to be a fake gun is demanding justice.

The family of an Ohio teen who was shot while carrying a fake gun speak out.

Body camera footage released by the City of Akron on Monday shows the shooting of a teen, who was reported to 911 for holding what was later determined to be a toy gun.

A manhunt is underway for an Idaho inmate who escaped from a hospital when an accomplice opened fire on police officers. ABC News' Phil Lipof reports.

A suspect remains at large after a New Mexico State Police officer was shot and killed on Interstate 40, authorities said Friday.

New Mexico State Police officer Justin Hare was shot while answering a call investigators said.

Houston police on Monday released graphic footage from security and police body cameras that showed the Feb. 11 shooting inside Joel Osteen's church.

LAPD Chief Michel Moore told the Police Commission last week he had "concerns relative to the actions of the officer involved."

Officers Paul Elmstrand and Matthew Ruge along with firefighter Adam Finseth were killed after responding to a call of an armed man in a domestic call. The suspect was later found dead.

The woman’s attorney called the incident evidence of "unnecessary and excessive force."

Three police officers were shot in Washington, D.C., while trying to serve an arrest warrant at a home, police said.

Former deputy Jesse Hernandez was responding to a call in Fort Walton Beach, Florida, last November when the incident took place.

The incident unfolded Wednesday morning when officers responded to a home to try to serve an arrest warrant for cruelty to animals, according to police.