Grim dashcam video shows Danny Ray Thomas being shot and killed in broad daylight on March 22.
According to the sheriff, Thomas had his pants down and was foaming at the mouth, heading towards the deputy before he was shot.
Investigators who rushed to Imperial Valley at Greens Road, where the shooting occurred, said Thomas was unarmed.
WATCH: Dashcam video released in deadly deputy-involved shooting
Harris Co. deputy's deadly shooting of man caught on dashcam
On Monday night, community members demanded answers from Sheriff Ed Gonzalez to members of the Harris County District Attorney's Office.
There were prayers and pleas for compassion from law enforcement.
Gonzalez said while no words can bring Thomas back, he wanted to extend condolences to the man's family.
"I'm here to see that we learn from your thoughts and concerns," Gonzalez said.
Suspect killed in deputy-involved shooting in north Harris County