Jonathan and Diana Toebbe: Navy engineer, wife convicted after trying to sell US nuclear-powered submarine secrets

Lengthy sentences were handed down Wednesday against a couple convicted in a conspiracy to sell our nation’s secrets about nuclear-powered submarines.

A judge sentenced former Navy nuclear engineer Jonathan Toebee to 19 years in prison. His wife, Diana, also served 21 years behind bars.

The judge noted that she had tried to blame the crime solely on her husband to avoid jail time herself.

Prosecutors allege they violated the Atomic Energy Act in a conspiracy to pass information relating to the design of US nuclear submarines to a foreign country, and if found guilty, they could be sentenced to life imprisonment.

Jonathan Toebbe allegedly communicated via encryption services with an undercover FBI agent and attempted to sell restricted underwater data, according to an unsealed criminal complaint.

The complaint states that Jonathan Toebbe wrote to the undercover FBI agent to leave on short notice.

“I will be forever grateful for your help in extracting me and my family,” he wrote in an encrypted email, according to the complaint. “I suppose the first step would be an unannounced trip to a safe third country with plans to meet your colleagues. We have passports and money set aside for this purpose. I pray that such a drastic plan does not ever be necessary, but you are right: it is a comfort to know that you are ready and willing to help us.”

Diana worked for a private school in their humanities department for 10 years and was suspended indefinitely in October 2021, a school spokesperson told ABC News. The principal of Key School, an independent K-12 private school in Annapolis, Maryland, made it clear that the school was not involved in or connected to the Toebbe investigation.

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