WASHINGTON (CNN) -- Authorities early Tuesday arrested a northern Virginia woman suspected of robbing suburban Washington banks while talking on her cell phone, police said.Candice Rose Martinez, 19, was taken into custody around 3:35 a.m. in Centreville, a suburb west of Washington, said Maryann Jennings of the Fairfax County, Virginia, Police Department.Authorities also seized $3,500 from the suspect's Chantilly, Virginia, apartment -- 20 $100 bills and 30 $50 bills secured with Wachovia bands -- according to an affidavit filed in Fairfax County. Agents also confiscated a cellular phone box, a computer and a digital camera, the document said. Martinez is suspected of robbing four banks between October 12 and November 4, police said.In three robberies, surveillance cameras captured a woman talking on a cell phone as she presented a box containing a holdup note to tellers. In the fourth robbery, the woman did not carry a box but displayed a handgun and handed the teller a note, police said. (Watch how some bandits earned their criminal monikers -- 1:45)The affidavit detailed one of the woman's notes, which was taped to an empty box on October 22."You have 40 seconds to put all your money in the box, do not make any sudden moves," the note said, according to the court document.The woman asked the teller to put all $100 and $50 bills in the box, then complained, "You're taking too long, you have 40 seconds," according to the affidavit. "I need you to empty all the drawers -- you have three," the woman said, according to the document. Jennings of the Fairfax County police said an FBI agent spotted a car sought in connection with the bank robberies, and other law enforcement agencies aided with Tuesday's arrest. (Watch robbery suspect in action --1:34)Two men also were detained but later released, an FBI spokesman said. Martinez likely will face a federal bank robbery charge, the FBI said.On Monday, her boyfriend, David Williams, was arrested on probable cause for one count of bank robbery in Fairfax County, the FBI said. CNN's Kevin Bohn and Terry Frieden contributed to this report.