Play Facebook 
 
 Twitter 
 
 Google Plus 
 
 Embed Texas Deputy Darren Goforth Was Shot 15 Times, Says Prosecutor 2:31 autoplay autoplay Copy this code to your website or blog 
 
 The Texas sheriff's deputy who was killed at a gas station was shot 15 times by a gunman who unloaded his entire clip, a prosecutor said Monday as the suspect appeared in court for the first time. 
 
 A judge found probable cause to hold the suspect, Shannon Miles, for capital murder in the killing of Deputy Darren Goforth in Houston. Miles, 30, wore a yellow jump suit and shackles. He did not enter a plea. 
 
 Goforth had just finished filling up his cruiser on Friday night when he was shot in the back of the head. The gunman then stood over him and kept firing, said Devon Anderson, the Harris County district attorney. 
 
 "He unloaded the entire weapon into Deputy Goforth," she said — a 14-bullet clip, plus one that was already in the chamber. 
 
 Play Facebook 
 
 Twitter 
 
 Google Plus 
 
 Embed Texas Community Honors Memory of Slain Deputy 1:15 autoplay autoplay Copy this code to your website or blog 
 
 Investigators have said they are not sure what motivated the gunman. Sheriff Ron Hickman said over the weekend that "our assumption is he was a target because he wore a uniform." 
 
 Ballistics tests matched a gun at Miles' home — a .40-caliber Smith & Wesson — to the shell casings at the gas station, the prosecutor said. 
 
 Goforth, 47, was a 10-year veteran of the force with a wife and two kids. More than 1,000 people turned out on Sunday night for a walk in support of law enforcement, and donations of cash for the family have topped $150,000 at the gas station and online. ||||| Suspect in deputy slaying spent time in mental hospital 
 
 HOUSTON - Shannon Jaruay Miles, who is accused of gunning down a sheriff's deputy on Friday, spent four months in a mental hospital in 2012 after being declared incompetent to stand trial in an aggravated assault case, court records show. 
 
 The revelation offered a possible insight in a case that has so far defied explanation. 
 
 Miles, 30, was arrested Saturday on charges of capital murder, accused of shooting Harris County sheriff's deputy Darren Goforth outside a northwest Harris County gas station. 
 
 As the deputy walked out of the Chevron store, Miles allegedly ran up behind him, put a gun to the back of his head and fired. After the deputy fell, Miles stood over his body and emptied his .40 caliber semi-automatic pistol into the deputy's back, shooting 15 rounds, Harris County District Attorney Devon Anderson said Monday. 
 
 The chilling allegations, seen by witnesses and caught on surveillance video, left dozens of police officers shaking their heads in disbelief as Miles made his first appearance in a Harris County courtroom on charges of capital murder. 
 
 "They found Deputy Darren Goforth face down in a pool of his own blood," Anderson told state District Judge Denise Collins. Anderson later told reporters that her office is looking into charges that were filed against Miles in Travis County. 
 
 In that case, Miles was accused of viciously beating up a man at a Salvation Army shelter where he was apparently staying in Austin in 2012. The victim suffered a broken vertebrae. Several months after the alleged assault, Miles was declared mentally incompetent and sent to North Texas State Hospital. He was later returned to competency, according to Travis County records. The assault case was later dismissed. 
 
 As theories swirled Monday about why Goforth was killed, court records reveal a long history of run-ins between Miles and police. In two of those crimes, he pleaded guilty to a physical altercation with a police officer. 
 
 In 2005, he was charged with failure to identify himself to police officers. No other information about that misdemeanor was available Monday. Three months after that arrest, his mother filed charges against him for throwing a 19-inch television into a 60-inch TV during a fight with her. 
 
 She told police they were arguing because the 20-year-old was living at her home and would not get a job, court records show. He spent three days in jail and later pleaded guilty to misdemeanor criminal mischief in exchange for time served. 
 
 A few months after that, Miles was charged with resisting arrest, accused of pushing a Harris County sheriff's deputy. He pleaded guilty to a class A misdemeanor and was sentenced to eight days in jail. 
 
 A year later, he was arrested on New Year's Day for unlawful discharge of a firearm. In that case, police took away a 9mm handgun which was later destroyed. In that case, he pleaded guilty to a misdemeanor in exchange for 15 days in jail. Months after that arrest, he was sentenced to 10 days in jail after pleading guilty to evading arrest after fleeing a Jersey Village police officer. Just days later, he was arrested for trespassing and sentenced to 10 days behind bars after admitting guilt. 
 
 In 2009, he was charged with resisting arrest in a case where he hit a Houston-area police officer. Miles pleaded no contest in exchange for time served after spending six days in jail. 
 
 Before ending up in Austin in 2012, Miles attended the University of Houston main campus in the spring of 2011, school officials said. No degree was awarded. 
 
 After Miles was arraigned Monday, Anderson said investigators continue to look for a motive for Friday's shooting. 
 
 "We're going to try to figure out the motive, even though we don't have to prove it under Texas law," she said. "Everybody sure would like to know the motive. I'd love to know where he got the gun and how he got the gun." 
 
 In hushed tones around Houston's criminal courthouse, police officers of all stripes echoed Harris County Sheriff Ron Hickman who, on Saturday, connected Goforth's death and other violence against law enforcement to anti-police rhetoric across the country. 
 
 After Goforth was killed about 8:20 p.m. Friday, police started searching for vehicles matching the description of the gunman's truck, a red Ford extended cab with a distinctive trailer hitch. 
 
 They found the truck in the driveway of Miles' house less than a mile from the crime scene. A man at the house said Miles had left with his mother and while police were looking around, Miles came home. 
 
 He told police he had two guns, but had recently gotten rid of his 9mm pistol. The other was in a blue bag in his garage. He declined to give police permission to go inside. When they returned with a search warrant, Anderson said, they found the loaded .40 caliber pistol where Miles said it was. 
 
 There was also a box of bullets of the same brand used to kill Goforth. 
 
 Ballistics experts said the gun was the same one that fired the shots at the gas station, Anderson said. 
 
 She said Miles matched the description of the man on the surveillance video, and a witness to the crime later identified Miles as the shooter in a video line-up. 
 
 In court Monday, Miles appeared in the yellow jail uniform typically reserved for high-profile inmates. He did not speak except to acknowledge that he understood the charges against him. 
 
 The judge kept him in jail without bail and appointed defense attorneys Charles Brown and Anthony Osso who said they are just beginning to investigate the allegations. 
 
 "We're going to look at every aspect of this from mental health all the way down," Osso said. "This is not a guy who has a long history of violent offenses." 
 
 Since the shooting, a makeshift memorial at the Chevron where 47-year-old Goforth was killed has overflowed with American flag balloons and flowers. More than 1,000 people attended a vigil for Goforth at the gas station Saturday and Sunday evenings, Anderson said. 
 
 She dismissed questions about whether anti-police rhetoric or similar reasons were behind the shooting. 
 
 "People from all races, from all around the county — over 1,000 on both nights — came out to support law enforcement," she said. "This crime is not going to divide us, this crime is going to unite us." 
 
 Anderson personally prosecuted Harlem Lewis last year, who was sentenced to death for the capital murder of Bellaire Police officer Jimmie Norman. Norman and a good samaritan named Terry Taylor were fatally shot during a traffic stop on Christmas Eve, 2012. 
 
 Anderson said she had hoped Norman would be Harris County's last officer to be killed in the line of duty. 
 
 "I really never wanted to have to do this again," she told reporters. "I can't believe Friday night I was out at a scene looking at an officer dead on the ground." 
 
 Goforth had been with the sheriff's office for 10 years and was stationed in District 5 in northwest Harris County. He had a wife and two children. On Monday, President Barack Obama released a statement that he had called Goforth's widow. 
 
 "On behalf of the American people, I offered Mrs. Goforth my condolences, and told her that Michelle and I would keep her and her family in our prayers," he said. "I also promised that I would continue to highlight the uncommon bravery that police officers show in our communities every single day. They put their lives on the line for our safety. Targeting police officers is completely unacceptable — an affront to civilized society. As I said in my State of the Union Address, we've got to be able to put ourselves in the shoes of the wife who won't rest until the police officer she married walks through the door at the end of his shift. That comfort has been taken from Mrs. Goforth. So we must offer her our comfort — and continue to stand up for the safety of police officers wherever they serve." 
 
 Goforth's funeral will be 11 a.m. Friday at Second Baptist Church, 6400 Woodway. There is a viewing an hour before. The officer will be buried at Woodlawn Cemetery, 8010 Katy Freeway. 
 
 Chronicle reporter Jennifer Dlouhy contributed to this story.
– In the aftermath of a Texas sheriff's deputy's "execution-style" murder on Friday night, police explained that Darren Goforth was killed by a gunman who fired at him multiple times from behind a gas station. Suspected gunman Shannon Miles was today in court for the first time, and a prosecutor got even more specific about the circumstances of Goforth's death. "He unloaded the entire weapon into Deputy Goforth," said Harris County DA Devon Anderson of Miles, per NBC News. That was 15 shots: a bullet in the chamber plus a 14-bullet clip. "They found Deputy Darren Goforth face down in a pool of his own blood," continued Anderson, per the Houston Chronicle. She says 15 shell casings were found at the scene, and a .40 caliber handgun recovered from Miles' home proved a match for the bullets that killed Goforth. The Chronicle reports Miles, 30, didn't say much during his appearance, and was dressed in the yellow uniform given to high-profile inmates. He remains in jail without bail. A motive has yet to be given for the shooting. A GoFundMe campaign for Goforth's family (he has two kids) today surpassed its $100,000 goal.