UPDATE: Christopher Chaney, 35-year old from Jacksonville, Florida has been formally arrested and charged with identity theft and wiretapping. Chaney was indicted by a grand jury.

The FBI arrested Chaney this morning without incident. Chaney allegedly gained access to celebrities cell phones and email accounts, and assumed control for his benefit.  If convicted, Chaney could face up to 121 years in prison.

The FBI has arrested a suspect in the celebrity phone-hacker case who is thought to be responsible for posting photos of numerous Hollywood stars including Scarlett Johansson and Vanessa Hudgens on the Internet, RadarOnline.com has learned.