Wack job Minnesota gunman, 67, who killed a nurse and wounded four others at health center had threatened mass shooting there TWO YEARS ago - forcing doctor to get restraining order after stopping his opioid prescription
Gregory Paul Ulrich, from Buffalo, had a vendetta against the Allina Health Clinic on Crossroads Campus Drive in Wright County, Buffalo, and its staff
His vendetta is said to have stemmed from doctors refusal to give him opioids for a back injury
Ulrich vowed to do something big and sensational so that it makes an impact
He made threats against four Allina clinics, including threats of a mass shooting, according to a police report
Gregory Paul Ulrich, 67, from Buffalo, was arrested and is currently being held in the Wright County Jail over the mass shooting at the Allina Health Clinic in Buffalo late Tuesday morning.