Terrifying phone records leading police to Madeline Pantoja’s suspect Juan Chacon Jr have been revealed

CHILLING phone records show a man accused of the murder of his ex-girlfriend lied when speaking to police, which eventually led to his arrest.

Madeline Pantoja, 21, was last seen at her home in Midland, Texas, on May 10 before she disappeared, leaving behind her dog, cell phone and keys.

Madeline Pantoja, 21, was last seen at her home in Midland, Texas on May 10, leaving behind her car keys and beloved dog


Madeline Pantoja, 21, was last seen at her home in Midland, Texas on May 10, leaving behind her car keys and beloved dogPhoto credit: Handout
Her ex-boyfriend, Mario Chacon Jr., 24, has been charged with murder after phone records showed he lied in an interview with police


Her ex-boyfriend, Mario Chacon Jr., 24, has been charged with murder after phone records showed he lied in an interview with policePhoto credit: Midland County Sheriff’s Office

Her body was discovered on Saturday May 20, 2023.

Her ex-boyfriend Mario Juan Chacon Jr., 24, was arrested the same day after phone records showed he had not told the truth in an interview with detectives, court documents showed.

Madeline’s brother Christian called the police for a welfare check on May 11 after not hearing from the woman.

Her brother added that his sister and Chacon were having issues and broke up shortly before she disappeared.

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Christian said he received a call from Chacon at 8:30 p.m. on May 10, telling him he had gotten into an argument with Madeline, who did not return his calls.

After their phone call, Christian spoke to Madeline at 8:35 a.m. and texted her at 8:37 a.m., but according to the affidavit, he never heard from her again.

An officer spoke to one of Madeline’s best friends, who said she last heard from her at 9:31 p.m. on May 10, to confirm her plans for the next day.

The friend said she arrived at Madeline’s apartment at 6 p.m. and called several times but was left unanswered.

According to the affidavit, she even knocked on Madeline’s door, but no one answered.

The friend left and said, “She felt like something was wrong,” Madeline’s other close friend called and told her what was going on.

Both women went back into the apartment at 8 p.m. to check on Madeline and found that the light inside, which had previously been on, was now off.

The friends were concerned and called Madeline’s brother, who then called Chacon at 9:25 p.m. to ask if he knew where his sister was.

The affidavit said Chacon had been “very evasive and seemed unconcerned that Madeline[Pantoja]had not been heard of.”

Chacon said he had been with his father all day and that his “family could check where he was”.

Chacon reportedly sent his location to Christian at 9:26 p.m., showing he was inside his home.

Madeline’s friends also called Chacon at 9:20 p.m., but it appeared he was turning them down. However, Cacon called them back at 9.23am and said that he “had witnesses for today and had been at his house all day” and that he was “taking them with me”. He was on his anger medication and couldn’t drive a car.

Madeline’s friends and brother were let into her apartment by the manager, where they found her purse, car keys and dog.

In her opinion, leaving her dog for more than two hours at a time was uncharacteristic of Madfeline.

It also turned out that a black coffee table was missing.

When officers arrived at the home, they noticed a mop with a dirty bucket of water by the front door and noted that the floor was “extremely sticky due to too much detergent being used when mopping the floor,” according to the arrest affidavit .

A neighbor told police she was awakened at around 1:30 a.m. by screams from Madeline’s apartment.

She said it was a man and a woman who were screaming and the woman’s screams were heard.

Officers met with Chacon at 12:05 am on May 12, who told them that he had last seen Madeline on May 9 and had only communicated with her by mobile phone since then. The last time he heard from her was May 10 at 9:00 p.m.

According to the affidavit, he was at his home at the time and stayed there overnight.

A second 911 call from Madeline’s home was made at 10:50 am on May 12. The caller stated that a woman’s voice could be heard at Madeline’s apartment.

Officers attempted to contact the person inside but received no response and were unable to locate Madeline.

Holes were found in the bathroom door and the door leading to Madeline’s bedroom was damaged by hair.

The duvet on her bed was also missing and a dark red stain was found on the bed sheet, according to the affidavit.

Chacon was questioned again at 5:45 p.m. on May 12 and told officers he forgot to mention having a drink on May 10 with his cousin, who picked him up in his truck from the same apartment where Madeline was alive.

Chacon said he dropped his cousin off at his home and texted him around 11:06 p.m. to say he’d arrived at his house.

Security footage from May 10 showed Chacon’s truck, which he said was the only one driving in May, near an oil company near Madeline’s apartment complex.

The footage had a timestamp of 1:59 AM.

According to the affidavit, on May 13, investigators received a search warrant from AT&T for Chacon’s phone records.

A flock camera showed the license plate of Chacon’s pickup truck near 1160 South County Road at 3:22 a.m. and evidence from traffic and business cameras and cellphone data tracked Chacon’s whereabouts between 12:26 a.m. and 3:37 a.m.

Investigators questioned Chacon a third time on May 18 and told him they “found lies in his timeline.”

A lie detector attempt was also attempted during the interview, but Chacon, who ended the interview, refused.

On May 20, the Midland Police Department sent AT&T’s cell phone records to the Texas Rangers, who then determined the geolocation for May 10-12.

The geolocation revealed an “approximately one mile area around East County Road 190 and South County Road 1138 in Midland County,” the affidavit said.

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The MPD and Texas Rangers conducted a search of the area and found human remains and jewelry that Madeline was known to be wearing.

Chacon has been charged with murder and is being held at the Midland County Jail on $3 million bail.

Madeline's remains were discovered by authorities on Saturday


Madeline’s remains were discovered by authorities on SaturdayPhoto credit: Facebook/Madeline Pantoja
A neighbor said she heard screams in Madeline's apartment early in the morning


A neighbor said she heard screams in Madeline’s apartment early in the morningPhoto credit: Facebook/Madeline Pantoja


PaulLeBlanc is a Dailynationtoday U.S. News Reporter based in London. His focus is on U.S. politics and the environment. He has covered climate change extensively, as well as healthcare and crime. PaulLeBlanc joined Dailynationtoday in 2021 from the Daily Express and previously worked for Chemist and Druggist and the Jewish Chronicle. He is a graduate of Cambridge University. Languages: English. You can get in touch with me by emailing: paulleblanc@dailynationtoday.com.

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