India, April 19 -- Nancy Guthrie Case Latest News: More than three months after the disappearance of Nancy Guthrie, investigators continue to pursue leads while public attention intensifies. The 84 year old vanished from her Tucson area home on January 31 and despite extensive efforts and authorities have yet to identify a suspect or motive where recent developments, including increased patrols and a new sign outside her daughter's residence, have sparked fresh speculation.

DNA Analysis & Federal Involvement

Investigators from the Pima County Sheriff's Department confirmed that forensic testing is still underway and officials stated that:

Sheriff Chris Nanos emphasized that DNA testing remains active with laboratories sharing findings ...