How "signal sniffer" technology is being used in the search for Nancy Guthrie

The "signal sniffer" being used in the Nancy Guthrie investigation was mounted on a helicopter on Monday.
WHYY

Some sniffer dogs at the Club World Cup outfitted with booties to protect their paws from the heat

A security dog wears protective shoes due to the heat radiating off the asphalt as it patrols the stadium ahead of the Club World Cup Group D soccer match between Esperance Tunisie and Chelsea in ...
Yahoo! Sports

Some sniffer dogs at the Club World Cup outfitted with booties to protect their paws from the heat

PHILADELPHIA (AP) — Fans and players weren't the only ones coping with extreme heat this week at the Club World Cup. Sniffer dogs — a common addition to the security details at many large sporting ...
The Vindicator

Some sniffer dogs at the Club World Cup outfitted with booties to protect their paws from the heat

In this photo provided by Cody Schwartz, manager of 3DK9 Detection Services, K-9 Jett cools off in a kiddie pool filled with ice while working at the Club World Cup Group D soccer match between ...