Wisconsin mother and father murdered over faculty lies: How Snapchat helped uncover the reality
A social media app’s location monitoring function helped investigators crack a grotesque double homicide case in Wisconsin, the place a son killed his mother and father after his net of lies about faculty and a faux job at SpaceX started to unravel.
The case started on July 7, 2021, when 23-year-old Chandler Halderson reported his mother and father, Bart and Krista Halderson, lacking from their Windsor dwelling.
A brand new “20/20” episode, “Highway Map To Homicide,” airing Friday, Might 30, at 9 p.m. ET on ABC and streaming the subsequent day on Hulu, examines the case.
You may as well get extra behind-the-scenes of every week’s episode by listening to “20/20: The After Present” weekly collection proper in your “20/20” podcast feed on Mondays, hosted by “20/20” co-anchor Deborah Roberts.

Chandler Halderson reported his mother and father, Bart and Krista Halderson, lacking from their Wisconsin dwelling on July 7, 2021
Maria Falconer
Chandler claimed his mother and father had gone to their household cabin for the Fourth of July weekend however by no means returned.
“He talked about they had been perhaps going to a on line casino,” Dane County Sheriff’s Detective Sabrina Sims informed “20/20.”
Nonetheless, Sims famous that pink flags shortly emerged.
“We discovered that it is out of character for them to go playing, and that the Haldersons, particularly Bart, had been fairly frugal with cash,” she stated.
When investigators checked the household dwelling, they stated they discovered each mother and father’ automobiles nonetheless within the storage. A go to to the household cabin in Wolf River revealed no indicators of latest use.
A breakthrough got here from a resident of the close by village of Cottage Grove. The witness reported seeing Chandler backing up his automotive close to a wooded space on July 5, 2021.
“She watched him strolling from the wooded space…and located that to be uncommon,” Sims stated.

Chandler Halderson is seen on this undated picture from the Dane County Sheriff’s Workplace.
Dane County Sheriff’s Workplace
Police searched the placement and made a horrific discovery — a male torso that was later recognized as Bart Halderson. In a close-by oil drum, investigators discovered scissors, a noticed blade and bolt cutters. An post-mortem revealed Bart had been shot after which dismembered.
Detectives found that the farm in Cottage Grove belonged to the household of Chandler’s girlfriend, Cathryn Mellender.
Investigators requested Chandler and Mellender to return in voluntarily for interviews. Chandler was then arrested for allegedly offering false info to investigators. Within the following days, he was held in jail on a tentative cost of first-degree intentional murder.
The investigation took one other flip when Mellender offered essential proof on her cellphone to police, from the social media app Snapchat.
Its “Snap Map” function — a personalised map that shares your location with associates on Snapchat — confirmed Chandler on the Wisconsin River on July 3, 2021. Following this lead, and one other tip from an eagle-eyed neighbor close to the river, investigators found extra human stays. This time, the stays belonged to Chandler’s mom, Krista.

Dane County Sheriff’s Workplace Detectives Brian Shunk and Sabrina Sims informed ABC Information’ Ryan Smith they believed Krista and Bart Halderson had been killed within the basement of their Wisconsin dwelling.
ABC Information
In response to investigators, they decided early within the investigation that Mellender had nothing to do with the murders and cleared her.
Through the January 2022 trial, Chandler confronted eight costs, together with two counts of first-degree intentional murder, mutilating corpses and offering false details about lacking individuals.
He pleaded not responsible to all the fees.
Madison Faculty Enrollment Officer Omar Jobe stated he’ll always remember his telephone dialog with Bart, who referred to as the college posing as Chandler, as he tried to get his son’s faculty transcripts.
“It is a regular telephone name that we obtain daily. This particular person was making an attempt to request a transcript,” Jobe informed “20/20” in an unique interview.
In response to investigators, Bart had been making an attempt unsuccessfully for months to get the transcripts from his son Chandler and was turning into suspicious.
Prosecutors stated that Bart’s telephone name was a ruse to see if Chandler was enrolled in faculty, nevertheless it turned out that Chandler had really failed out of college.
The prosecution additionally alleged that Chandler arrange faux e-mail accounts in an try and deceive his father about why his faculty transcripts weren’t coming.
“Chandler had made up faux emails with faux faculty workers to e-mail forwards and backwards concerning the transcript problem,” Dane County Sheriff’s Workplace Det. Brian Shunk informed “20/20.”

Barbi Townsend spoke with ABC Information’ Ryan Smith about her cousin, Krista Halderson. Townsend described Halderson as a really glad one who poured her coronary heart into her two sons.
ABC Information
Prosecutors additionally argued that the SpaceX job Chandler claimed he had lined up was additionally a lie.
As Bart received nearer to the reality, prosecutors alleged that Chandler grew determined.
“When Bart figured it out, Chandler realized he may lose every part,” Caroline Dade, an anchor who lined the story for ABC’s Wisconsin affiliate WKOW, informed “20/20.” “The story they [prosecutors] painted was that Chandler gave himself no different possibility.”
At trial, prosecutors informed the jury that Chandler killed each mother and father to stop his lies from being uncovered. The protection crew challenged that principle.
“All of the State was in a position to show is that Chandler is a liar, not a killer,” lead legal professional Crystal Vera stated.
The jury disagreed, and Chandler was discovered responsible on all eight costs. He acquired a life sentence with out the potential for parole. In April 2023, two of Chandler’s [lesser] convictions for hiding a corpse had been vacated.
Chandler has filed an attraction within the case.
“They’d have given every part and something to assist him,” Krista’s cousin, Barbi Townsend, informed “20/20” about Bart and Krista. “They’d have been there. That is the sort of individuals they had been.”
