Marion teacher, two others charged in fatal shooting in Alachua County

ALACHUA COUNTY, Fla. — A local teacher is under arrest and accused of a shooting that left one person dead.

Martesha Williams Johnson, a middle school teacher in Marion County, was arrested along with two other people in connection to a fatal shooting in Alachua county

According to investigators, Johnson and two other people were involved in the shooting death of Tyerune Blocker on May 17.

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Detectives say Blocker had been involved in a relationship with Jasmine Webb of Ocala and that tensions between Blocker and Webb’s current boyfriend Doug Heath led to a dispute on social media.

According to deputies, Heath, Webb, and Johnson drove to a home in Alachua county to confront Blocker.

At some point during the confrontation, Heath began shooting at Blocker and another man.

Blocker, who was hit several times, collapsed and later died at the scene.

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Deputies were able to connect the trio to the shooting through social media posts and surveillance videos from a nearby gas station.

All three were arrested and are facing charges in connection with the deadly shooting.

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According to Marion County Schools, Johnson has been a math teacher at Fort King Middle School since 2012.

Johnson has been placed on paid administrative leave, pending the outcome of the investigation.

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Matt Reeser

Matt Reeser,

Matt Reeser joined WFTV in 1998 as a news photographer and has worked for television stations in Kentucky and West Virginia.