To Fetch a Killer

Murder. It’s a doggone shame.
When Amy moved back home and
opened a cute little pet salon, she never expected her work to be
interrupted by death. It’s especially odd when the victim is a nurse… 
Aren’t medical professionals supposed to know how to stay alive?
The
big clues suggest this rowdy nurse drank a little too much and then
never woke up. But that doesn’t sit well with Amy, and it’s not long
before she’s poking her nose where it’s not wanted.
Not
surprisingly, it’s not long before Amy uncovers evidence that suggests
the death of the nurse was murder — and she and Granny set off to catch
the killer before there’s another murder in town. 
But this
killer was smart, they covered their tracks, and Amy suspects the key
evidence is in a briefcase that’s under lock and key. 
Is she right?
The closer Amy and Granny get to catching the killer, the more danger they find, and the angrier the local cops become.