UPDATE 5/28/15 4:50 p.m.:

Putnam County's Sheriff says a man hurled a knife at a deputy. The officer fired two shots, shooting and killing Harry Davis, who died at the scene.

The deputy identified as Justin Brock, now on paid leave, customary when an officer is involved in a shooting. It happened Wednesday night, Sheriff Howard Sills says, just before midnight.

Sills says Harry Davis, who was 57-years-old, and his 27-year-old son Lonnie, were standing outside of a car arguing when a man, riding in the car with them both, decided to call police.

"They were "tripping out." There was some kind of altercation going on" Sills said.

Sills says deputies got there, and it was apparent that Davis and his son were drunk, and deputies were able to separate them. But the trouble wasn't over.

They say Harry Davis went to his car and threw a knife at the deputies. Then, they say, he went back to the car for a larger knife.

"It's a commercial variant of a Navy combat survival knife and eventually charged at the deputies," Sills said.

Sills says deputies repeatedly ordered Davis to drop the weapon. He thinks the shooting may be a case of "suicide by cop", but this is all he could say about why.

"I am aware of the fact that the man made some remarks that inferred that as he went towards the deputies with a knife," Sills said.

The sheriff says Brock shot Davis twice in the chest. He says Brock has been with the sheriff's office for more than 12 years and is on paid administrative leave while the GBI investigates.

Sills described Davis as a disabled veteran with a history of emotional problems. The sheriff says deputies responded to a similar call in February when Davis and his son were arguing at a home in Rockville.

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A Putnam County deputy last night shot and killed a man who threw a knife at him, according to Sheriff Howard Sills.

He said 57-year-old Harry Davis died at the scene.

Sills said it happened after a man riding in a car with Davis and Davis' son called the sheriff's office for help. He said the two other men were drunk and arguing.

The sheriff says deputies stopped the car on Oconee Springs Road near Highway 16 and separated Davis and his son.

Davis then threw a knife at one of the deputies, went back to his car and got a larger knife. Sills says Deputy Justin Brock fired two shots at Davis.

The sheriff said Brock is now on administrative leave while the GBI investigates the shooting.

He described Davis as a disabled veteran with a history of emotional problems. He said the shooting may be a case of "suicide by cop."

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