Photos show explosive devices found at scene of San Bernardino shooting, home of suspects

CBS News has obtained photos of explosive devices related to Wednesday's mass shooting in San Bernardino — one shows a device left behind at the Inland Regional Center during the massacre, the other a duffle bag with pipe bombs found at the home of the suspects.

Three explosive devices were left at the facility, and the image shows a toy car with a remote device, attached to three pipes and wires. At the home of Syed Farook, 28, and Tashfeen Malik, 27, investigators found, in addition to the duffle bag, 12 pipe bombs and 3,000 rounds of ammunition. They also found more items necessary to make additional explosive devices, including Christmas tree lights (to serve as a fuse), radio controlled cars (for triggering mechanisms), and smokeless gun powder.

Law enforcement sources told CBS News the devices are nearly identical to bombs constructed using instructions from an al Qaeda publication called Inspire. They said authorities are not sure yet if the suspects used the steps in the "How To Build A Bomb In the Kitchen of Your Mom" article or instructions from elsewhere.