India, May 11 -- A retired FBI profiler has suggested that blood splatter on Nancy Guthrie's front porch indicates that the 84-year-old was still alive when coerced out of her home by a lone abductor in Tucson. Jim Clemente, who spent 22 years in the bureau, also believes that the suspect made enough mistakes, and that he will be eventually identified.

"We also know at least that she was alive at that time," Clemente said, based on his analysis of blood on the porch. There was reportedly also a concentration of round droplets near the front door, as well as a thinning trail toward her driveway.

"She must have aspirated and then coughed up blood with her face very close to the ground, and I don't believe that would have happened had two ...