Mackenzie Johnson

Reporter

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Mackenzie joined WDEF News 12 in May, 2026.

Articles

Slow-Poke Bill in Georgia Gains Speed in Legislature

Georgia lawmakers are cracking down on slow drivers. The state house passed legislation that would ticket drivers who hold up traffic in the left lane on interstates or highways. It's called the Slow-Poke Bill. WDEF News 12's Alisha Searl has reaction from Georgia drivers.

New Study Finds Acetaminophen Linked to ADHD

A new study finds pregnant women who take acetaminophen are more likely to have children with ADHD or attention deficit hyperactivity disorder. The study from Denmark was just released Monday, and it's causing quite a bit of confusion here in the Tennessee Valley. WDEF News 12's Alisha Searl sat down with a doctor at Erlanger to get some answers.

Bradley Co. Family Pushes State Leaders to Act on Dustin's Law

Local families affected by drunk drivers made a trip to Nashville Monday. They're calling on state leaders to finally adopt Dustin's Law. It's been several years in the making. WDEF News 12's Alisha Searl shows us what families are doing now to get tough legislation passed.

Local MS Patient Speaks About Possible Treatment Option

The Food and Drug Administration has decided not to approve an investigational treatment for Multiple Sclerosis and now the MS community is reeling. One patient from Chattanooga sat down with WDEF News 12's Alisha Searl to talk about this means to those battling the neurological disorder. It's a story you'll only see on 12.

Neighbors Mourn Loss of Soddy-Daisy Fire Victim

An elderly Soddy-Daisy man whose pajamas caught on fire yesterday has died. Ralph Grissom was trying to heat his apartment with his stove when he caught fire. It happened at the Vista Ridge Apartments near Card Road. WDEF News 12's Alisha Searl spoke to neighbors who are now mourning his loss.

Governor Haslam Proposes Two Free Years of Tuition

Tennessee Governor Bill Haslam wants to give each high school senior a break when it comes to college tuition. Under his new proposal, graduating seniors would be able to attend two years of community college or technology college free of tuition and fees. WDEF News 12's Alisha Searl shows us how much money that could save you in the future.