3 Rat Cat 3 - Part 2

3 Rat Cat 3 - Part 2

From C.I.D. - Season 1, Episode 387
TV Episode
20 min
Oct 14, 2005

A strange ring is found. When scanned, CID find that it has an extra coat on it hiding a phrase underneath saying, "3 Rat Cat 3". When Max hears this phrase in the hospital, he immediately dies of shock. What does this phrase mean?