A Texas man facing eviction opened fire on police officers and bystanders near the Texas A&M University campus Monday afternoon, killing two and wounding four before being shot to death by police, authorities said.

The dead included Brian Bachmann, a Brazos County constable serving an eviction notice, and Chris Northcliff, 51, of College Station.

Police identified the shooter as Thomas A. Caffall, 35, of College Station. Caffall's mother, Linda Weaver, reached by The Huffington Post, said her son was having "difficulties" with his mental health in recent years.

"The minute I saw the TV I knew it was him," said Weaver. "I've been that worried about him."

Caffall opened fire from inside his single-family home, according to Rigo Cisneros, 40, who witnessed the shooting from across the street. Cisneros, an Army medic and Afghanistan veteran, saw police exchanging gunfire with Caffall, who remained within the house. Caffall was shot several times by officers who stormed the house after a shootout that lasted roughly 30 minutes, Cisneros said.

A badly wounded Caffall was dragged from the house by officers. Cisneros attempted to provide first aid. While he was being treated, Caffall, mumbling his words, "asked me to apologize to the police officer," Cisneros said.

Caffall, Bachmann and Northcliff were pronounced dead at the hospital. Two other College Station police officers were injured in the gunfight. Barbara Holdsworth, 51 years old from Houston, was rushed into surgery. Her name was not released by police. None of the injuries appeared life-threatening, police said.

Officers Justin Oehlke and Brad Smith were treated and released from the hospital. Officer Phil Dorsett was treated at the scene.

A Facebook page belonging to Caffall features several photos of assault rifles, including a Czech-made version of the AK-47. On the page, Caffall identified himself as divorced, with “Christian” religious beliefs. He lists a series of snipers, including Carlos Hathcock and Vasily Zaytsev, as "inspirational people."

“I am pulling a cross between Forrest Gump and Jack Kerouac (without the drugs),” Caffall wrote on the site. “I'm on the road, permanently.”

Caffall commented on Facebook about several recent gun purchases, including a vintage Russian rifle. “I just got a new toy,” he wrote in May 2011. “I’ll be at the gun range as much as I can.”

Weaver, his mother, said she had been estranged from her son over the past several months. She said he had not visited her after she became seriously ill.

"We are just devastated,” Weaver said. “He's been very deeply troubled."

She added that she was horrified at the loss of life. "If you're going to commit suicide, why take all these other people with you?" she said.

In an interview with KPRC, a local television station, Caffall’s stepfather, Richard Weaver, said Caffall was a “ticking time bomb” who quit his job nine months ago and vowed never to work again.

"He was crazy as hell," Weaver said. "At one point, we were afraid that he was going to come up here and do something to his mother and me."

This article was updated to identify and give a more precise age for Barbara Holdsworth, the female wounded in the shooting.

Related on HuffPost:

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  • From The TAMU Shooter's Facebook

    Inspirational people comprised of individuals who had firearms named after them

  • Guns The TAMU Shooter Had Posted

  • Thomas Caffall

  • Thomas Caffall

  • Posted On Thomas Caffall's Facebook

  • Posted On Thomas Caffall's Facebook Page

  • From Thomas Caffall's Facebook

Loading Slideshow...
  • ATF and other investigators walk near a vehicle which was struck by a bullet near the scene where a gunman opened fire near the Texas A&M university on Monday, Aug. 13, 2012, in College Station, Texas. A Texas law enforcement officer attacked as he brought an eviction notice to a house Monday was among three people, including a shooter inside the home, killed Monday near a Texas university. (AP Photo/Houston Chronicle, Mayra Beltran)

  • Law enforcement officials conduct a grid search of an area where police say a gunman was being served an eviction notice when he opened fire from inside a home near Texas A&M and killed a law enforcement officer Monday, Aug. 13, 2012, in College Station, Texas. Three people, including the gunman, were killed in the shootout. (AP Photo/Pat Sullivan)

  • A woman reacts outside of the College Station Medical Center, Monday, Aug. 13, 2012, in College Station, Texas where five victims were brought, following a shooting near the Texas A&M campus. A gunman and a law enforcement officer were among three people killed Monday in a shooting near a Texas university campus, police said. (AP Photo/Houston Chronicle, Karen Warren)

  • Law enforcement officials investigate an area where police say a gunman was being served an eviction notice when he opened fire from inside a home near Texas A&M and killed a law enforcement officer Monday, Aug. 13, 2012, in College Station, Texas. Three people, including the gunman, were killed in the shootout. (AP Photo/Pat Sullivan)

  • On The Scene

    Texas State troopers and Brazos Valley lawmen watch as an ambulance believed to be carrying one of their downed fellow officers speeds off to a hospital in College Station, Texas, Monday, Aug. 13, 2012. Police say at least one law enforcement officer and one civilian have been killed in a shooting near Texas A&M University's campus. Assistant Chief Scott McCollum says the gunman also was shot Monday before being taken into custody. (AP Photo/Bryan-College Station Eagle, Dave McDermand)

  • On The Scene

    Texas State troopers and Brazos Valley lawmen work the scene of the shooting of two fellow law officers, Monday, Aug. 13, 2012 in College Station, Texas. Police say at least one law enforcement officer and one civilian have been killed in a shooting near Texas A&M University's campus. Assistant Chief Scott McCollum says the gunman also was shot Monday before being taken into custody. (AP Photo/College Station Eagle, Dave McDermand)

  • Police On The Scene

  • Brian Bachmann

    Image via <a href="http://www.facebook.com/pages/Elect-Brian-Bachmann-for-Constable-Precinct-1-Brazos-County/156383397717359" target="_hplink">Facebook</a>

  • Brian Bachmann

    Image via <a href="http://www.facebook.com/pages/Elect-Brian-Bachmann-for-Constable-Precinct-1-Brazos-County/156383397717359" target="_hplink">Facebook</a>

  • Brian Bachmann

    Image via <a href="http://www.facebook.com/pages/Elect-Brian-Bachmann-for-Constable-Precinct-1-Brazos-County/156383397717359" target="_hplink">Facebook</a>

  • Brian Bachmann

    Image via <a href="http://www.facebook.com/pages/Elect-Brian-Bachmann-for-Constable-Precinct-1-Brazos-County/156383397717359" target="_hplink">Facebook</a>

  • Officers On Location

    Image from <a href="http://www.theeagle.com/article/20120813/BC0101/120819835/1148/bc01&slId=1" target="_hplink">The Eagle</a>

  • Scott McCollum

    Assistant chief of police speaking at press conference Monday afternoon

  • House Was Listed For Rent At Several Websites

    According to assistant police chief Scott McCollum, the shooting took place at 211 Fidelity Street in College Station, Texas. The house at that address was listed for rent on several websites including <a href="http://hotpads.com/rentals/211-Fidelity-Street-College-Station-TX-77840--2an7wqfbt2vwf#lat=30.6024989387755&lon=-96.336473&zoom=20&previewId=2an7wqfbt2vwf&previewType=listing&detailsOpen=true&dupeGrouping=building&listingTypes=rental,sublet,room,corporate&loan=30,0.04,0&resultsPerQuad=24" target="_hplink">HotPads.com</a>, <a href="http://www.postlets.com/rtpb/7982944" target="_hplink">Postlets.com,</a> <a href="me http://www.zillow.com/homedetails/211-Fidelity-St-College-Station-TX-77840/50327204_zpid/" target="_hplink">Zillow.com</a>, and <a href="http://apartments.oodle.com/college-station-tx/homes-for-rent/2-bedrooms/" target="_hplink">Apartments.Oodle.Com</a>,

  • Thomas Caffall

    This undated photo provided by the City of College Station, Texas shows Thomas Caffall. Caffall, 35, has been identified by authorities as the shooter who opened fire from inside his home in College Station as he was being served an eviction notice, killing Brazos County constable Brian Bachmann and another man, on Monday, Aug. 13, 2012. (AP Photo/City of College Station)

  • Family and friends of Constable Pct. 1 Brian Bachmann arrive at Christ United Methodist Church for a vigil, Monday, Aug. 13, 2012, in College Station, Texas, following a shooting that left three people dead, including Constable Bachmann near the Texas A&M campus. (AP Photo/Houston Chronicle, Karen Warren)

  • Brazos County Sheriff Chris Kirk, center, arrives for the vigil for Constable Pct. 1 Brian Bachmann at Christ United Methodist Church, Monday, Aug. 13, 2012, in College Station, Texas following a shooting that left three people dead, including Constable Bachmann, near the Texas A&M campus. (AP Photo/Houston Chronicle, Karen Warren)

  • Charles Ross listens to Hayden Behner describes the scene outside his home where police officers were taking cover and pointing toward the gunman near the location where a gunman opened fire in a residential area on Monday, Aug. 13, 2012, in College Station, Texas. A Texas law enforcement officer attacked as he brought an eviction notice to a house Monday was among three people, including a shooter inside the home, killed Monday near a Texas university. (AP Photo/Houston Chronicle, Mayra Beltran)

  • Diana Harbourt

    Diana Harbourt looks out her window where a bullet entered during a shootout on her street where three people, including the gunman, were killed, Monday, Aug. 13, 2012, in College Station, Texas. Police say a gunman was being served an eviction notice when he opened fire from inside a home near Texas A&M and killed a law enforcement officer. (AP Photo/Pat Sullivan)