Grin or grimace? Aerial images being used to enforce laws

RIVERHEAD (New York): On New York’s Long Island, it’s used to prevent drownings. In Greece, it’s a tool to help solve a financial crisis. Municipalities update property assessment rolls and other government data with it. Some in law enforcement use it to supplement reconnaissance of crime suspects.

High-tech eyes in the sky — from satellite imagery to sophisticated aerial photography that maps entire communities — are being employed in creative new ways by government officials, a trend that civil libertarians and others fear are eroding privacy rights.