UPDATE: Nick Tullier's family announced Thursday that he passed away in a hospital. Read the latest here.

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BATON ROUGE - Nick Tullier, who was shot during an ambush targeting law enforcement nearly six years ago, is once again fighting for his life in the hospital. 

Family members said Monday that the East Baton Rouge sheriff's deputy was in critical condition due to a worsening infection. In a post provided through social media early that morning, they said doctors "don't know how much time he has left."

Tullier was among several officers shot July 17, 2016 when a gunman opened fire near a gas station on Airline Highway, a short distance from Baton Rouge Police headquarters. Investigators said the attacker specifically targeted law enforcement in the shooting. 

Three were killed, two BRPD officers and a sheriff's deputy: Montrell Jackson, Matthew Gerald and Brad Garafola.

Tullier, who was struck in the head by gunfire, was among three wounded in the attack.

Since the shooting, Tullier has spent years in multiple hospitals, including a rehab facility in Texas. In 2020, due to the coronavirus pandemic, he was moved back to Baton Rouge where he continued his treatment.