HOUSTON (AP) — The latest on the deaths of eight people — six children and two adults — found dead inside a Houston home (all times local):

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4:45 p.m.

An official with Texas Child Protective Services said the agency had prior contact with people at a Houston home where two adults and six children were shot to death.

Spokeswoman Estella Olguin said Sunday that a preliminary review found the previous involvement. She said an internal review was under way by their Office of Child Safety to evaluate "any prior contacts with the family to ensure they were handled appropriately." She had no further details Sunday afternoon.

David Conley has been charged with three counts of capital murder after the discovery of the bodies.

Authorities discovered the bodies after they were called to the home for a welfare check Saturday. Conley was taken into custody after surrendering to authorities.

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3 p.m.

Authorities identified the eight people fatally shot at a Houston home as two adults and six children ranging in age from six to 50 years.

At a Sunday afternoon news conference, prosecutors and police said that a 40-year-old female victim had a prior relationship with David Conley, who is charged with capital murder in the family's death.

The children, two girls and four boys, were ages 13, 11, 10, 9, 7 and 6. At least one of those was believed to be Conley's child, they said.

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2 p.m.

All eight victims — two adults and six children— found in a Houston-area home were shot in the head, according to an arrest affidavit for a man charged with capital murder.

The arrest affidavit was read in court Sunday afternoon at a probable cause hearing for 48-year-old David Conley. He didn't appear in court. The judge denied him bond.

According to the arrest affidavit, Conley said he had discovered on Saturday morning that the locks had been changed at the house after he'd moved out. He then entered the home through an unlocked window and restrained, shot and killed the eight people.

Police later responded to a welfare check at the house and got no response at the door but saw through a window a male on the floor with a gunshot wound. Police then heard gunshots coming from the front of the house. A standoff ensued between officials and Conley and he later gave himself up to authorities and was arrested.

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11:30 a.m.

The man charged following the discovery of two adults and six children slain in a Houston-area home has a long criminal history that includes violence.

David Conley, 48, was charged with three counts of capital murder after the discovery of the bodies. One capital murder count covers multiple deaths. Another is for a person under 6 years of age, according to court records. He was being held Sunday in Harris County Jail. Bond has not yet been set.

Court records show Conley's criminal history dates back until at least 1988, with the most recent incident last month, when was charged with assault of a family member. In court documents, authorities say the suspect had been arrested for allegedly assaulting the woman he was living with at the home where the bodies were found.

Court documents say that in the incident last month Conley pushed the woman's head against a refrigerator multiple times after she tried to stop him from disciplining her son with a belt. The case was still pending.

In 2013, he was charged with aggravated assault for threatening the same woman with a knife. He pleaded guilty and was sentenced to nine months in the county jail.

In 2000, he was arrested for retaliation, accused of putting a knife to his then-girlfriend, threatening to kill her, her baby and himself. That came after she filed an assault charge for cutting her with a knife and punching her in the face. He was sentenced to five years in prison for retaliation.

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11 a.m.

Court records show that a 48-year-old man has been charged with three counts of capital murder after authorities discovered the bodies of two adults and six children slain in a Houston-area home.

David Conley was being held Sunday in Harris County Jail. Bond has not yet been set for him. An attorney is not yet listed for him.

Court records show that one capital murder count covers multiple deaths. Another capital murder count is for a person under 6 years of age.

Authorities had been called to the home for a welfare check. Conley was taken into custody after surrendering to authorities.

By late Sunday morning, authorities had begun removing bodies from the home.

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10 a.m.

The area around a Houston-area home where authorities say two adults and six children have been found dead is still cordoned off, with sheriff's deputies coming in and out of the house and the medical examiner's office having arrived at the scene.

The Harris County Sheriff's Office says a 48-year-old man is in custody after surrendering to authorities. The eight people were found dead in the home after a welfare check.

Neighbor Dalila Mercado says when she arrived home last night officers had already blocked off the area. She said she was sitting in her driveway when she heard gunshots coming from the house and officials then told her and her family to go inside their home.

Mercado said she could still see from her bedroom window and watched as a man was escorted out of the house after midnight. She said officials then had him next to her fence, taking fingerprints and photographs.

She says, "It was shocking. I haven't slept all night."

Mercado says she didn't know the residents of the house well, but would occasionally say hello to a woman and see children waiting to catch the school bus.

She said she didn't recognize the man taken out of the house.

The relationship between the man and the victims wasn't immediately known.

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9:25 a.m.

Texas authorities say two adults and six children have been found dead inside a Houston-area home and a 48-year-old man who exchanged gunfire with police is in custody.

The Harris County Sheriff's Office said in a statement Sunday morning that the eight people were found dead after a welfare check was conducted at the home. The man was taken into custody after members of the Harris County Sheriff's Office High Risk Operations Unit and Hostage Negotiation Team negotiated his surrender.

Harris County Sheriff spokesman Thomas Gilliland tells KHOU-TV (http://bit.ly/1HyVKtb ) that deputies were called to the home about 9 p.m. Saturday. He says deputies subsequently received information indicating that a man inside the home was wanted on an aggravated assault warrant.

Gilliland says while waiting for a High Risk Operations Unit, deputies spotted the body of a juvenile through a window. Four deputies forced themselves inside, prompting the suspect to begin shooting. Deputies pulled back, and the man surrendered about an hour later.

Officials say more information will be given at a news conference set for 3 p.m.

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This story corrects the number of adults killed to two from three and the number of children to six from five, according to authorities. Also corrects Conley's age to 48 from 49, according to date of birth.