Zombies and Power Tools

Will anyone survive the power tool massacre?
Four bodies turn up missing from their graves, wounding the town mortician while delivering a message in blood. The conspirators of an old crime vary in their resolve to confess just because of some vile message left by “pranksters”, but these “blackmailers” are stiffs, not to mention an impatient crew.
Living dead rise, town-folk fall and body parts scatter—everywhere.
The sheriff’s covering up and the local playboy has his wallet out, ready to pay off the crazies.
But wait, the living dead want a confession, and they’ve just added a wood chipper and a meat grinder and a saw and a. . .