Authorities have arrested four suspects in connection with a violent crime spree they say could have escalated.Phamethius Simmons, 26, and Curtis Monaco, 25, were arrested Wednesday by the Forsyth County Sheriff's Office in Atlanta with assistance from the U.S. Marshals.Bethany Hood, 20, and her brother, Trevor Benson, 19, both of Forsyth County, were arrested late last week. Monaco, who also lives in Forsyth County, and Benson and Hood have been charged with three counts each of armed robbery and aggravated assault.Simmons, an Atlanta resident, faces two counts each of the same charges.Forsyth County Sheriff's Sgt. Joe Whirlow said investigators linked the suspects to "ambush-style" home invasions at separate residences on March 19 and 24. A third incident reportedly occurred March 23 at a north Forsyth gas station.Francisco Tinocor was shot in the leg during the March 24 incident, which occurred at his home on Glenwood Place off Hwy. 9.