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Arizona Airman says videos show wife poisoning his coffee, leading to her arrest

DM Airman says video evidence will prove his claim
Poison freshly-brewed-coffee-SBI-300085662.jpeg
Posted at 4:50 AM, Sep 28, 2023
and last updated 2023-09-28 09:58:47-04

TUCSON, AZ — A man says his wife planned to end their marriage with a poisoned cup of coffee. ABC15 sister station KGUN9 obtained videos the DM Airman says will prove his claim.

To most people, a steaming cup of coffee is a comforting way to perk up and attack the day. To Air Force Airman Roby Johnson, it’s a murder weapon an angry wife used to attack him.

He says he and Melody Johnson were headed for divorce. They were stationed in Germany when he says he noticed his coffee tasted funny — not funny really, but seriously dangerous.

He says it smelled like bleach and sometimes he had digestive trouble like internal bleeding.

Johnson set up surveillance cameras in Germany, and in the house they shared after the couple moved to Davis-Monthan Air Force Base in Tucson. He says they stayed in the same house because he wanted to continue working to prove his suspicions.

He told Tucson police the videos show Johnson pouring bleach into another container and using it to put bleach in the coffeemaker.

He also used test strips that he says showed excess chlorine in the coffee maker.

Tucson police originally said the videos did not conclusively show Johnson had poured bleach in the coffee maker. But after more investigation and gathering other physical evidence, they decided to arrest her and charge her with attempted first-degree murder.

She’s in jail waiting for trial and will stay in jail unless she can post $250,000 bond.