Texas state trooper and father-of-four, 38, died in hospital after being kept alive following being was shot in the head, 5 days earlier

Chad Walker had been on life support after he was shot Friday while stopping to help a driver in an apparently disabled vehicle west of Mexia Texas state trooper 

Trooper Walker who was shot in the head and abdomen by 36-year-old DeArthur Pinson Jr. during a traffic stop in Mexia, Texas on Friday evening

Pinson is said to have seen the patrol car and ‘immediately emerged from the driver’s seat of the disabled vehicle armed with a handgun and fired multiple rounds at Trooper Walker through the patrol unit’s windshield’

Officials had said that Walker had not yet come to a stop behind the car on the shoulder of the roadway when motorist Pinson Jr. opened fire 

Authorities launched a manhunt for Pinson and he was reported dead Saturday, apparently by suicide in a building where he barricaded himself

A Texas state trooper who was shot in the head and abdomen by a driver he had pulled over to help has died, officials said Wednesday.
Chad Walker, 38, had been on life support after he was shot Friday evening while stopping to help DeArthur Pinson Jr. in his apparently disabled car west of the city of Mexia.
Tropper Walker had not yet come to a stop behind Pinson Jr.’s vehicle on the shoulder of the roadway when the 37-year-old driver got out and opened fire.    
‘Our DPS family is absolutely heartbroken at the loss of one of our brothers in uniform who was killed in the line of duty,’ said DPS Director Steven McCraw. 
‘Texas Highway Patrol Trooper Chad Walker was committed to protecting the people of Texas. His sacrifice will never be forgotten, and we ask that you keep his family, friends and colleagues in your prayers during the difficult days ahead.’

Authorities say that Pinson of Palestine, Texas, shot Texas Department of Public Safety Trooper Walker before he had stopped his vehicle during the traffic stop.
Walker was struck in the head and abdomen and was later flown to a hospital in Waco, about 40 miles away.
Authorities launched a manhunt for Pinson and he was reported dead Saturday. Pinson killed himself, according to Limestone County Judge Richard Duncan.
Pinson is said to have seen the patrol car and ‘immediately emerged from the driver’s seat of the disabled vehicle armed with a handgun and fired multiple rounds at Trooper Walker through the patrol unit’s windshield,’ officials said.
He then fled on foot, authorities added. Pinson had been sentenced to 10 years in prison for armed robbery in 2007, ABC reports. 

The alleged gunman, identified as 36-year-old Dearthur Pinson of Palestine, Texas, saw the patrol car and “immediately emerged from the driver’s seat of the disabled vehicle armed with a handgun and fired multiple rounds at Trooper Walker through the patrol unit’s windshield.
” Pinson then allegedly walked back to his vehicle, retrieved a backpack and fled the scene on foot,” according to a statement from Todd Snyder, regional director of the Texas Department of Public Safety.
On Saturday night, Pinson was found dead from an apparent self-inflicted gunshot wound in a house in Mexia, where he had barricaded himself during a standoff with authorities, according to a statement from the Texas Department of Public Safety.

‘Trooper Walker´s horrific murder is a solemn reminder of the dangers law enforcement officers face every day to keep our communities safe,’ Gov. Greg Abbott said in a statement.
Walker had worked in law enforcement since 2003 and had been with DPS since 2015. He is survived by his wife and four children, a 15-year-old son, twin seven-year-old daughters and a two-month-old daughter.
The Texas Department of Public Safety had issued a statement on social media in which they said trooper Walker no longer exhibited ‘signs of viable brain activity’ and that he was now being kept on life support until he can donate his organs.

Governor Abbott added: ‘Our hearts are with the family and friends of Trooper Walker as they grieve his tragic death in the line of duty.
‘Trooper Walker’s horrific murder is a solemn reminder of the dangers law enforcement officers face every day to keep our communities safe. 
‘We will always support law enforcement here in Texas, and we are indebted to the sacrifices that they make to serve and protect their fellow Texans.’
A GoFundMe for Walker’s family has raised more than $229,000 as of Thursday morning.