LOCAL  ·   March 7, 2014

On the prowl with Metro's rat hunter

- To keep mice, rats and bugs at bay, Washington's Metro system uses low-tech sticky cardboard and packets of poison. But the transit agency's best weapon may be 61-year-old exterminator Bob Chialastri. ()

- To keep mice, rats and bugs at bay, Washington's Metro system uses low-tech sticky cardboard and packets of poison. But the transit agency's best weapon may be 61-year-old exterminator Bob Chialastri. ()

On the prowl with Metro's rat hunter (3:15)

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