PHOENIX -- A man who pleaded guilty in Phoenix sexual assault cases has been sentenced to 50 ½ years in prison.
Maricopa County prosecutors say 19-year-old DeJuan Donaldson also was sentenced Friday to lifetime probation.
He pleaded guilty in January to two counts of sexual conduct with a minor, two counts of attempted sexual assault with a minor, sexual assault and attempted sexual assault.
Donaldson was arrested in May 2011, one month after a reported attack on a South Mountain High School student.
The then 17-year-old girl told police she was walking to school when she was accosted by a man, taken at knifepoint into an abandoned house and sexually assaulted.
Police took Donaldson's DNA and believe he was linked to three other sexual assaults in November 2010 and January 2011.
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