InvestigateTV+: The Challenges behind tracking homemade guns at U.S. crime scenes

(InvestigateTV) — From online kits to 3-D printing, homemade guns have grown in popularity.

Investigate TV+ discovers why it’s difficult to track as they show up in crime scenes across the country.

Then, we take an in-depth look at a foodborne illness that can send thousands to the hospital and ways you can avoid contracting it.

Plus, meet Annie “The Hot Rod Granny,” proves age is just a number when you have 500 horses under the hood.

Copyright 2025 Gray Media Group, Inc. All rights reserved.