Why do people keep dumping buckets of fish into Montana’s lakes?
On a summer day in 1992, a man dumped a cooler full of a fish called yellow perch into Lake Mary Ronan, in northwest Montana.  We know this because two teenagers saw him do it; they wrote down his license plate number and called in a tip to the Montana Fish, Wildlife, and Parks department [R

<p>On a summer day in 1992, a man dumped a cooler full of a fish called yellow perch into Lake Mary Ronan, in northwest Montana.  We know this because two teenagers saw him do it; they wrote down his license plate number and called in a tip to the Montana Fish, Wildlife, and Parks department [R</p>