Milwaukee County Sheriff's Office
Press Release

Driver of Fatality Formally Charged

This is an ongoing investigation.

By - Aug 30th, 2019 05:51 pm

Milwaukee, WI (August 30, 2019) On Friday, August 23, 2019, MCSO responded to a personal injury crash on northbound I-94 at Drexel Ave., involving a SUV and a motorcycle. The operator of the SUV attempted to avoid detection by hiding in his car, but was located and taken into custody by MCSO. Initial reports that the operator had fled on foot were based on preliminary information that was found to be inaccurate.

Sarah T. McGraw, the motorcycle operator, succumbed to her injuries on Saturday, August 24.

The operator of the SUV, Tiondras A. Dyson, appeared in court today and was formally charged with Knowingly Operating While Revoked (Cause Death), a Class H Felony. Mr. Dyson’s bail was set at $10,000. Mr. Dyson remains in custody at the Milwaukee County Jail.

This is an ongoing investigation.

There are no further details at this time.

Please direct inquiries to MCSO Director of Public Affairs and Community Engagement Faithe Colas at (414) 639-5506 or

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