Authorities are looking for three men believed to have robbed a Domino's Pizza restaurant in Sparks and three other businesses in Reno.
The armed bandits, described as tall, thin and in their early 20s, typically wear latex gloves while committing the holdups, police said.
The Sparks restaurant was robbed Sunday night.
Reno Police Lt. Ron Holladay said the following night, three gunmen robbed a Seven-11 store, an adult theater and bookstore and a motel.
Holladay said the suspects also tried to rob another Domino's Pizza restaurant in Reno around closing time but an employee noticed one man wearing latex gloves and wouldn't let them in.
The suspects have worn latex gloves during all but one of the robberies, police said.
Secret Witness is offering a $1,500 reward for information leading to the robbers' arrest and prosecution.