The video was taken the day before the killing, and it shows the suspect drive up and then walk toward the area Clint Greenwood was ambushed. The spot is now a memorial to the murdered officer.
Police believe the suspect was driving a 2017 Nissan Versa Note to the back of the Baytown courthouse Sunday afternoon.
ORIGINAL REPORT: Authorities release suspect vehicle information in deputy constable's death
Greenwood had parked his patrol car Monday in the same place where the suspect is seen walking to in the video.
The video then shows the man returning to his car and then driving away.
The same suspect and car were allegedly seen leaving the area immediately after Greenwood was gunned down on Monday, police said.
PHOTOS: Officers respond after deputy shot at Baytown courthouse
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The new video was released as Greenwood's widow made an emotional plea for help finding the killer at Greenwood's memorial service on Thursday.
"If anyone has any information about my husband's death," Leatha Greenwood said. "Let us know something."
Anyone with information is urged to call Baytown Crime Stoppers at 281-427-TIPS (8477) or text keyword "Baytown" plus the tip to 274637(CRIMES). Tipsters can remain anonymous.
The reward in the case is now at $65,000.
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