Law ❯ Law Enforcement ❯ FBI

Investigative Techniques

Surveillance Public Communication Surveillance Techniques Public Assistance Cold Case Procedures Ransom Note Analysis Geolocation Evidence Collection Community Involvement Public Appeals

14 ARTICLES

2w ago

Human Remains Found Near Tucson Are Not Linked to Nancy Guthrie Case, Authorities Say

The discovery of old remains about 15 miles from Guthrie’s Catalina Foothills home has investigators continuing focused forensic work and public appeals for tips.

8 ARTICLES

11mo ago

FBI Offers $25,000 Reward in 1978 Disappearance of Webster Boy Andrew Amato