people who owed shirley money. >> reporter: more than a decade after the killing. >> it didn't have to happen this way. >> reporter: the search for answers continues. >> i am never going to give up hope? >> reporter: who did it? why? >> did he ever tell you he wanted-up to kill shirley? >> absolutely. he said he wanted it to look like a mob hit. >> reporter: "murder on cape cod, who shot shirley reine?" >> meet the family. >> loretta! shirley! >> they say time heals. i don't believe in that. sometimes it gets worse. we were look two peas in a pod. we had a blast. i miss those times. i just miss her. yeah. i just wish it never happened. it didn't have to happen this way. it really didn't.