The jury found him guilty within just 18 minutes....
A horrific incident....
The attack followed a prolonged row over work shift patterns....
He pleaded guilty to 13 counts....
"We will not hesitate to act where people make these sort of threats."...
...
GMP has called this a "harrowing investigation"....
He pleaded guilty to causing criminal damage during the disorder....
Stephanie Heaps did not declare any links to criminals or criminal activity....
