Russian Children's Rights Commissioner Pavel Astakhov claimed the district attorney's office has not done enough in investigating the case of Max, also known as Maxim Kuzmin.

CNN: STORY HIGHLIGHTS

Creating an Android app named "UltraReset" and using it in tandem with an NFC-enabled Android phone (a Nexus S, in this case), security researchers Corey Benninger and Max Sobell were able to reset and reuse -- free of charge -- transit access cards in both San Francisco's MUNI system and New Jersey's PATH system.

ENGADGET: Security researchers identify transit system exploit in San Fran and New Jersey, create app to prove it

Detective Chief Superintendent Max McLean of West Yorkshire Police said detectives had never given up on the case -- and said Castree's conviction had only been made possible by new legislation introduced two years ago in the UK allowing police to retain DNA samples even if a suspect is not convicted.

CNN: Child killer traced by DNA, 32 years on