A __ Gun, Incontrovertible Proof of Guilt
This page is the CodyCross answer for the clue below from The 90s, Group 1139, Puzzle 4 (Human Genome Project).
Question is: A __ Gun, Incontrovertible Proof of Guilt
and the answer is: SMOKING
Word Meaning:
SMOKING — present participle and gerund of smoke
Definitions from Wiktionary.