India, May 17 -- The search for Nancy Guthrie has now entered its fourth month, and it appears there are more questions than answers. Investigators are diligently working, sifting through tips, data, and various pieces of evidence in an effort to reconstruct the events that transpired during the early hours of February 1.

In a recent interview with People magazine, Pima County Sheriff Chris Nanos cautioned that the case might become cold.

"There's thousands and thousands of video out there from intersections and Ring cameras that we have to catalog," the Sheriff told the outlet.

"Maybe it's all the white trucks are over here, all the red sedans are over here; you've gotta have it so that when you do find a suspect . 'Hey, the suspect i...