This episode centers on a brutal new crime that forces the Intelligence Unit to reopen a cold case for clues.
: A recent series starring Patrick Dempsey as Angelo Doyle, a hitman suffering from early-onset Alzheimer’s . Its Season 1 finale (Episode 10) is the culmination of his failing memory and his double life. Chicago PD Season 9 Episode 20 Review: Memory - TV Fanatic [S9E20] Memory
While Chicago P.D. is the exact match for that title and episode number, other series have prominent "memory" themes or similarly numbered episodes: This episode centers on a brutal new crime