He was questioned in 1981 after police noticed a fresh injury on his thumb but was not arrested https://www.dexerto.com/entertainment/elderly-man-arrested-in-45-year-long-murder-case-after-police-use-his-trash-to-find-dna-3388890/#:~:text=Elderly%20man%20arrested,45%20years%20later.

A 79-year-old man has been charged with a 45-year-old murder after police matched DNA from his trash to blood found on the victim’s clothing Investigators tested discarded barbecue sauce and soda bottles to crack the cold case

He was questioned in 1981 after police noticed a fresh injury on his thumb but was not arrested https://www.dexerto.com/entertainment/elderly-man-arrested-in-45-year-long-murder-case-after-police-use-his-trash-to-find-dna-3388890/#:~:text=Elderly%20man%20arrested,45%20years%20later.