(NEWSER) – The advantage of an electronic monitoring bracelet is that authorities can track a suspect's whereabouts. The downside: They can have no idea that a suspect might be holding a girl captive in his home while wearing it.

That was allegedly the case in Norwood, Ohio: Cody Jackson, described as age 19 or 20, was charged with crimes relating to the abduction of two women last August, paid a $100,000 bond, and was placed on electronic monitoring, reports the Cincinnati Enquirer. While he awaited court action, police say he got in touch with a 14-year-old girl on Facebook and arranged for a taxi to bring her to his apartment roughly every other day for three weeks in February so they could have sex. He soon took control of her social media accounts and gave her a strict set of rules to follow, according to the FBI. Then, after a visit in March, he wouldn't let her leave, police say.

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