Palm Springs bombing suspect appears to have posted bomb tests on YouTube

Guy Bartkus — the lone suspect in a fatal car bombing that took place outside of a fertility center in Palm Springs, California, on May 17 — appears to have operated multiple social media accounts where he posted videos of homemade explosive devices and messages pointing to his plans.

Law enforcement officers are reviewing the accounts, which are believed to have been operated by Bartkus, a source familiar with the investigation told ABC News.

A snapshot of a YouTube channel, titled “Indict Evolution,” was saved to an online archive before the channel was taken off the platform.

The archive contains videos dating back at least six years and pointing to an interest in experimenting with homemade explosives and chemicals.

Several videos show what appear to be tests of homemade explosive devices.

Read more: ABC News