KNOXVILLE, Tenn. — The Tennessee Bureau of Investigation has welcomed a new member to its team, and it walks on four legs.

The TBI said it has added a new "electronic storage detection K-9," which is specially trained to sniff out electronic storage devices such as hard drives, flash drives and micro-SD cards less than a millimeter thick.

According to the TBI, the new team member is a 17-month-old black Labrador Retriever named Marvel. His expertise in sniffing electronics will be focused on child exploitation cases, the agency said.

"Electronic Storage Detection (ESD) K-9s can be vital to investigations as these devices can easily be overlooked by human eyes, especially when hidden in wall cracks, clothing, or ceiling tiles, or tossed into boxes, dirty laundry, open fields, water, or t

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