( CNN ) -- The California man who kidnapped 16-year-old Hannah Anderson `` tortured and killed '' her mother and brother before snatching her as she left cheerleading practice , according to formerly sealed warrants that were released Wednesday . Investigators did not detail in the warrants how the torture was carried out , but they did reveal new details about how authorities believe James Lee DiMaggio carried out the killings and abduction . `` DiMaggio tortured and killed his best friend 's wife and eight-year-old son . DiMaggio also shot and killed the family dog , '' according to one of the affidavits . `` After the double homicide , DiMaggio set the house on fire . '' The details were revealed the same day that a preliminary autopsy showed that DiMaggio was shot at least five times by an FBI tactical agent during a confrontation in the Idaho wilderness over the weekend . That confrontation ended a massive manhunt that began in San Diego County , California , after authorities found the bodies of Hannah 's mother and brother in his burned out home . How to help Hannah Anderson . DiMaggio sustained at least five gunshot wounds to his upper torso , arms and head , Valley County , Idaho , Coroner Nathan Hess said . An exact cause of death will not be formally released until toxicology tests have been completed in six to eight weeks , he said . The first indication of a problem came the night of August 4 , when firefighters and sheriff 's deputies responded to a report of a fire at DiMaggio 's log cabin . Amber alert successes : More than 650 kids rescued . As firefighters were trying to put out the blaze , they noticed flames in the home 's detached garage , according to search warrant and arrest warrant affidavits dated August 6 . A couple of firefighters quickly doused that fire while others focused on putting out the fire engulfing the cabin . Inside the garage , a fire captain discovered the body of Hannah 's mother , 44-year-old Christina Anderson , face down in the garage , covered with a tarp . The documents revealed that a crowbar and what appeared to be blood were found next to Anderson 's head . Suspect 's father once held teen at gunpoint . Near the body , sheriff 's deputies found the body of a dog covered by a sleeping bag , according to the affidavits . What appeared to be blood was found near the dog 's head , the documents said . As firefighters and investigators were making their way through the burned out remains of the house , they found the badly burned remains of a small child , the affidavits said . Authorities issued a nationwide Amber Alert for Hannah and Ethan on August 5 , but the documents revealed that authorities suspected the remains were those of the boy . Key moments in manhunt . Warrants also were sought by the San Diego County sheriff 's investigators to place `` tap and trace devices '' on DiMaggio 's e-mail , Facebook and cell phone accounts as well as Hannah 's phone , e-mail and social media accounts . In the affidavits , authorities indicated that Hannah 's cell phone was turned off on the afternoon of August 4 , the same day and about the same time she was last seen as she was picked up from cheerleading practice at her high school . The affidavit does not identify who picked her up . Shortly before her phone was turned off , there were 13 calls that day between Hannah and DiMaggio , according to the warrants . Friend : Hannah Anderson discusses kidnapping on social media .
Warrants reveal authorities found a crowbar near the body of Hannah Anderson 's mother . Authorities suspected the remains of the small child were Hannah 's brother , papers say . The parents have been charged with murder and are being held without bond. DiMaggio was shot at least five times , a coroner says .