Smoking guns and Tip-off

Tip-off and smoking guns are semantically related. in damning evidence topic. In some cases you can use "Tip-off" instead a noun phrase "Smoking guns".

Tip-off noun - Something that tells of approaching danger or risk.

Smoking guns and tip-off are semantically related. Sometimes you can replace phrase "Smoking guns" with "Tip-off", this phrases are similar.