[csvset]

Curious if the camera or the phone might be emitting a high frequency noise that upset the dog.

[Jack Hydrazine]

The dog just knew that selfies are stupid and let the cop know it.

[Jonty30]

Possibly, but more likely that the dog interpreted the cop being so close as a threat.

[PLMerite]

“Curious if the camera or the phone might be emitting a high frequency noise that upset the dog.”

Probably that and/or an IR focus.

[Smokin' Joe]

Curious if the camera or the phone might be emitting a high frequency noise that upset the dog.

A flash capacitor loading up just might produce the sort of whine that would disturb a dog.