Daniel Pirtle, a double amputee, allegedly shot Jason Mahi in an Anchorage Walmart store after Pirtle was asked to put a leash on his service dog.
According to police, Pirtle entered the store in a motorized cart at about 3 p.m. on Saturday and went the sporting goods section. Mahi, the Walmart store manager, asked him to the put the dog on a leash or leave. Pirtle pulled out a gun and shot the manager in the abdomen, police said.
An off-duty police officer, who was shopping in Walmart at the time, detained Pirtle as he was trying to roll out of the store.
Later, police officers removed Pirtle's legs and put him in the back of a patrol car, the Anchorage Daily News reported. A police officer drove Pirtle's dog home.
According to the Associated Press, Pirtle was charged with assault and misconduct involving a weapon. He was jailed and his bail was set at $50,000.
Mahi underwent surgery on Saturday night.