Alvin Mumphord III

Alvin Mumphord III

A former St. Joseph High School coach who was arrested in April on child sex abuse charges was indicted by a grand jury last week.

Alvin Mumphord III, a 44-year-old Victoria resident, was indicted on 10 counts of indecency with a child including sexual contact, five counts of online solicitation of a minor involving sexual conduct and seven counts of having an improper relationship between an educator and a student, according to a 22-count indictment handed down by a Victoria County grand jury on Aug. 26.

Mumphord is accused of having an improper relationship with 11 of his St. Joseph students from 2004 to March, according to the indictment and Victoria County District Attorney Constance Filley Johnson.

Attempts to contact Mumphord by phone on Wednesday were unsuccessful.

Houston attorney Myron Davis, who was retained by Mumphord, declined to comment Wednesday, saying he was still reviewing the case.

John Gilley, president of St. Joseph High School, said the school is aware of the indictment and has begun notifying parents and staff.

Investigators have identified 11 victims, but more could come forward, said Filley Johnson in a Wednesday email.

“Should more come forward, their claims will be investigated as well,” Filley Johnson said.

All of the 11 were students under the direction of Mumphord during his tenure as a coach, Filley Johnson said. Some came forward after the news of his arrest while others were approached by investigators.

The investigation began after a parent notified authorities, Filley Johnson said.

Most of the offenses occurred within the last four years, according to the indictment. The other offenses occurred as early as 2004 with others occurring in 2012 and 2014.

Many details about the case and indictment were unavailable Wednesday.

Filley Johnson declined to go into the details of the accusation and evidence presented to the grand jury, saying Texas law bars her from doing so.

St. Joseph High School has been fully cooperative in the investigation, she said.

The Victoria Police Department, the lead agency in the investigation, did not immediately respond to questions about the investigation.

The arrest affidavits for Mumphord are sealed from public view, said District Judge Eli Garza. Public disclosure could “jeopardize the safety of a victim, witness or confidential informant or cause the destruction of evidence,” he said on Wednesday. In addition, the affidavits include sworn testimony involving allegations of a sensitive nature involving children.

Mumphord was arrested at his Victoria home on the morning of April 30 by Victoria police. Police, with the help of the Texas Rangers, arrested him on a warrant charging him with having an improper relationship between an educator and student, indecency with a child by sexual conduct and online solicitation of a minor, according to a news release.

Mumphord worked as a coach at St. Joseph High School for various sports, including volleyball and cross country, according to previous Victoria Advocate reporting. He was fired the same day as his arrest.

He was in his 23rd year at the private school, according to his Linkedin profile.

The case is set to go to trial on Dec. 8, according to court records. However, that date is subject to change.

All of the charges are second-degree felonies that, if convicted, can result in 2-20 years in prison, according to the Texas Penal Code. A fine of up to $10,000 can also be assessed.

Filley Johnson asked that anyone with information about this case contact Victoria Police Department Detective Christina Tate at 361-485-3700.

This story was changed after it was published Wednesday afternoon to include the response from Mumphord's attorney.

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Chase covers breaking news, crime and courts for the Advocate. He can be reached at 361-574-1286, or at @chasedrogers.

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Breaking News & Public Safety Reporter

Chase writes about crime and courts for the Victoria Advocate. He grew up in the Dallas–Fort Worth area before attending Texas State University, where he earned a bachelor's degree in mass communication and journalism.

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