Alexandria "Ally" Kostial, 21, was found dead in a lake in northern Mississippi.
KMOV/WREG/Keith Kostial/Facebook
Alexandria "Ally" Kostial, 21, was found dead in a lake in northern Mississippi.
Now playing
01:05
Arrest made in death of 21-year-old Ole Miss student
CNN
Now playing
01:15
Liz Cheney: We've had a collapse of truth in this country
Now playing
01:29
Ocasio-Cortez speaks about Marjorie Taylor Greene confrontation
ben wedeman west bank
ben wedeman west bank
Now playing
04:44
CNN correspondent reports in midst of tear gas and hurled rocks in West Bank
CNN
Now playing
04:39
Rep. Stefanik speaks out after being elected to GOP leadership
marjorie taylor greene alexandria ocasio cortez washington post dusa vo cnne_00001012.png
marjorie taylor greene alexandria ocasio cortez washington post dusa vo cnne_00001012.png
Now playing
03:43
See the since-deleted video of Greene harassing AOC's office
CNN
Now playing
01:36
Why officials are struggling to get Republicans vaccinated
Now playing
02:41
Delta CEO: All future employees must be vaccinated
CDC
Now playing
02:29
CDC updates mask guidance for fully vaccinated people
CNN
Now playing
01:32
Fauci gives first interview after CDC mask guidance update
WASHINGTON, DC - DECEMBER 09: Representative Matt Gaetz (R-FL) arrives for a House Armed Services Subcommittee hearing with members of the Fort Hood Independent Review Committee on Capitol Hill on December 9, 2020 in Washington, DC. The U.S. Army has fired or suspended 14 leaders at Fort Hood following an investigation into the death of Specialist Vanessa Guillén and numerous other deaths and reports of sexual abuse on the military base. (Photo by Samuel Corum/Getty Images)
Samuel Corum/Getty Images
WASHINGTON, DC - DECEMBER 09: Representative Matt Gaetz (R-FL) arrives for a House Armed Services Subcommittee hearing with members of the Fort Hood Independent Review Committee on Capitol Hill on December 9, 2020 in Washington, DC. The U.S. Army has fired or suspended 14 leaders at Fort Hood following an investigation into the death of Specialist Vanessa Guillén and numerous other deaths and reports of sexual abuse on the military base. (Photo by Samuel Corum/Getty Images)
Now playing
02:41
Honig: This is the worst possible news for Gaetz
Pool
Now playing
02:11
Biden issues warning to gas station owners on price gouging
WASHINGTON, DC - MAY 11: Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, gives an opening statement during a Senate Health, Education, Labor and Pensions Committee hearing to discuss the ongoing federal response to COVID-19 on May 11, 2021 in Washington, DC. (Photo by Greg Nash-Pool/Getty Images)
Greg Nash/Pool/Getty Images
WASHINGTON, DC - MAY 11: Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, gives an opening statement during a Senate Health, Education, Labor and Pensions Committee hearing to discuss the ongoing federal response to COVID-19 on May 11, 2021 in Washington, DC. (Photo by Greg Nash-Pool/Getty Images)
Now playing
01:25
Fauci: 'Put aside your mask' if you're fully vaccinated and outside
Now playing
02:54
Ex-GOP lawmaker: I would be frightened to be around Taylor Greene
CNN
Now playing
03:18
GOP governor defends $5 million lottery for vaccinated residents
BENSON, NC - MAY 12:  A woman fills gas cans at a Speedway gas station on May 12, 2021 in Benson, North Carolina. Most stations in the area along I-95 are without fuel following the Colonial Pipeline hack. The 5,500 mile long pipeline delivers a large percentage of fuel on the East Coast from Texas up to New York. (Photo by Sean Rayford/Getty Images)
Sean Rayford/Getty Images
BENSON, NC - MAY 12: A woman fills gas cans at a Speedway gas station on May 12, 2021 in Benson, North Carolina. Most stations in the area along I-95 are without fuel following the Colonial Pipeline hack. The 5,500 mile long pipeline delivers a large percentage of fuel on the East Coast from Texas up to New York. (Photo by Sean Rayford/Getty Images)
Now playing
02:13
When supply at gas stations should return to normal
CNN
Now playing
02:59
'Does he think we're living on Mars?': Burnett stunned by McCarthy statement

Correction: A previous version of this story incorrectly stated the distance from campus where Kostial's body was found. She was found about 30 miles away.

(CNN) —  

A Texas man is charged with murder after the body of a 21-year-old University of Mississippi student was found near Oxford over the weekend.

On Tuesday, the Lafayette County Sheriff’s Department and the Mississippi Bureau of Investigation arrested and charged Brandon Theesfeld with the killing of Ally Kostial, the sheriff’s office told CNN.

Citing the ongoing investigation, the sheriff’s office declined to release more details.

“We want to thank the family of Alexandria for their patience and their trust,” the department said.

Theesfeld attended the same business administration school at Ole Miss as Kostial, said university spokesman Rod Guajardo, who added that Theesfeld is now suspended. Prior to Ole Miss, Theesfeld attended but did not graduate from Fort Worth County Day, a private, non-denominational school, for two years ending in 2014.

Theesfeld’s attorney, Swayze Alford, has not responded to CNN’s request for comment.

Daniel Theesfeld, the father of the suspect, said he knows his son is innocent.

“And I have reasons to believe that I can’t share anything now. But I would ask everybody to please give him the presumption of innocence until proven otherwise,” Daniel Theesfeld said in a statement released to CNN affiliate WMC.

Brandon Theesfeld is charged with murder in the death of Ally Kostial.
Lafayette County Sheriff
Brandon Theesfeld is charged with murder in the death of Ally Kostial.

Lafayette County sheriff’s deputies found Kostial’s body Saturday while they were on patrol near Sardis Lake, about 30 miles from the northern Mississippi campus, CNN affiliate KMOV reported.

Lafayette County Coroner Rocky Kennedy told CNN the investigation is ongoing.

“The reason we haven’t updated case information to this point is out of respect for Ally, her family and to preserve the integrity of our investigation,” Kennedy said.

Mississippi Bureau of Investigation Capt. John Poulos confirmed to CNN that state investigators are assisting the sheriff’s office. The University of Mississippi Police Department and Oxford Police Department are also assisting in the case, as authorities follow multiple leads to determine how Kostial ended up near the lake, WMC reported.

Kostial was working toward a bachelor’s degree in marketing, University of Mississippi Interim Chancellor Larry Sparks said in a statement.

“Ally was a valued member of our campus community,” Sparks also stated. “We extend our deepest sympathy to her family, friends and classmates and stand ready to support them during this time.”

Anna Pasco, one of Kostial’s friends, told WMC she was shocked.

“She quite possibly was the nicest human being that I’ve ever met,” Pasco told the affiliate. “It’s just hard for me because all I can think about when I see her face is what she went through, what she was thinking, what she was saying. It’s hard.”

CNN’s Amanda Watts, Marlena Baldacci, Dave Alsup, Artemis Moshtaghian, Kaylene Chassie, Eliott C. McLaughlin, Konstantin Toropin and Susan Scutti contributed to this report.