BALTIMORE (WJZ)—Baltimore Police say they’ve linked a dangerous sexual predator to another brutal assault.

Nelson Clifford was already charged with two rapes in November—one on Greenmount Avenue and the other in Reservoir Hill.

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DNA evidence has now linked Clifford to an attempted rape on Harlem Avenue in West Baltimore.

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Police say Clifford threatened the woman with an ice pick and ordered her to undress before finally running away.

The suspect in this case has a long criminal history. Clifford was charged with sex crimes for the first time in 1997.

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He is now being held without bail.