Members of the staff at a Castro Valley comic book store helped police track down a suspect connected to a rash of burglaries ...

A Castro Valley comic book store staff immediately helped the police track down thieves after the store was looted.

Known as the ‘Comic Book Guy’, Marcucci curated the used book stores’ more than 30,000 back-issue comics and had been buying and selling comics for decades, according to the store’s website.

Frank Marcucci, known as the “Comic Book Guy” at Dark Star Books died suddenly on Saturday of a heart attack. He was 59. Marcucci curated the bookstore’s collection of over 30,000 back issue ...