[who knows what evil?]

In order to pass the test, the dogs simply had to detect nothing. But out of 144 runs, that only happened 21 times, which amounted to an 85-percent failure rate.

Those dogs are borderline worthless.

[VanShuyten]

“In order to pass the test, the dogs simply had to detect nothing. But out of 144 runs, that only happened 21 times, which amounted to an 85-percent failure rate.
Those dogs are borderline worthless. “

Maybe the dogs were thrown off the scent by Doritos and chocolate smuggled in to supplement Moochelle’s lunches.