A teenager who committed a string of armed robberies was sentenced to 15 years in prison on Monday.

Pima County Superior Court Judge Howard Fell sentenced Steven Robles following a guilty plea to four counts of armed robbery.

Robles, 17, was arrested in October 2012 after Tucson Police connected him and three others to at least eight armed robberies between July and September 2012.

Another man charged in the crimes, Robles brother Orlando Robles, was sentenced to 2 ½ years in prison in 2013.

Contact reporter Patrick McNamara at 573-4241 or pmcnamara@azstarnet.com. On Twitter @pm929.