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Man caught with water gun full of poison was on way to kill ex-wife in Texas, feds say

A man planned to kill his ex-wife in Texas by spraying her with water gun full of the poison ricin that he made at his Florida home, feds say.
A man planned to kill his ex-wife in Texas by spraying her with water gun full of the poison ricin that he made at his Florida home, feds say. Getty images / iStock photo

A man accused of planning to kill his ex-wife by spraying her in the face with a water gun loaded with homemade poison is headed to prison, federal prosecutors said.

During a traffic stop in Florida, deputies caught Kevin Deane Jones, 50, with a plastic water gun full of the highly toxic substance ricin while on his way to Texas, where his ex-wife lived in December 2021, court documents show. After he was read his Miranda rights, he admitted to making the ricin as part of a murder plot to kill his ex, according to investigators.

If Jones had been successful, he planned to go on vacation directly after the murder “so that he would have an alibi when (his ex-wife) died,” prosecutors said.

Now a judge has sentenced Jones, of Kissimmee, Florida, to ten years in prison for illegally possessing ricin and for possessing two firearms as a convicted felon, the U.S. Attorney’s Office for the Middle District of Florida announced in a Jan. 17 news release.

The poison ricin is found in castor beans and can be adapted into several forms, including water if it is dissolved, according to the Centers for Disease Control and Prevention. The agency warns it can be deadly within 36 to 72 hours of exposure.

Investigators said they learned Jones made ricin at his home with items ordered from Amazon.

Jones’ attorney, Todd Doss, declined a request for comment from McClatchy News on Jan. 17.

What was the motive behind the murder plot?

On Dec. 6, 2021, Jones’ ex-wife contacted the FBI’s Tampa office to report Jones had made ricin and wanted to kill her with it after an unnamed witness informed her of his plans, according to the affidavit.

The Osceola County Sheriff’s Office was also alerted to the murder plot and learned Jones “had become increasingly angry due to child custody issues” involving his ex, the affidavit states.

Jones is accused of making ricin at his apartment and testing out toy water guns “to see which ones leaked” before he sprayed his ex-wife with one.

On Dec. 17, 2021, when Jones’ ex-wife told him that she wouldn’t send their daughter to Florida for Christmas, he decided to drive to Texas that day, investigators said.

What Jones didn’t know is that authorities were tracking him as he put five vials of ricin and a toy water gun into his truck, according to the government’s sentencing memo.

If law enforcement hadn’t conducted a traffic stop of his vehicle, “it is highly probable that (Jones) would have succeeded in his attempt to kill his estranged wife,” the sentencing memo states.

Following the traffic stop, a search of Jones’ home revealed more ricin, castor beans, documents on ricin and roughly 200 rounds of ammunition, the release said.

In a sentencing memo submitted on behalf of Jones, his attorney wrote that Jones was “derailed by a drug problem and a difficult divorce,” arguing this affected his decision-making and resulted in the plot to spray his ex-wife with ricin.

Jones’ current fiancee wrote a letter to the judge, saying that Jones feels remorse over the case and wouldn’t have actually went through with his plan.

Meanwhile, prosecutors said Jones’ murder plot involved a “remarkable level of sophistication and commitment” after he already had a history of showing “anger and abusive behavior” toward former romantic partners.

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This story was originally published January 17, 2023 at 12:01 PM with the headline "Man caught with water gun full of poison was on way to kill ex-wife in Texas, feds say."

Julia Marnin
McClatchy DC
Julia Marnin covers courts for McClatchy News, writing about criminal and civil affairs, including cases involving policing, corrections, civil liberties, fraud, and abuses of power. As a reporter on McClatchy’s National Real-Time Team, she’s also covered the COVID-19 pandemic and a variety of other topics since joining in 2021, following a fellowship with Newsweek. Born in Biloxi, Mississippi, she was raised in South Jersey and is now based in New York State.
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