'Obsessional' thieves found guilty of stealing hundreds of birds' eggs....

[Donna]

after two-year undercover operation

http://www.dailymail.co.uk/news/article-2228904/Obsessional-thieves-guilty-stealing-hundreds-birds-eggs-year-undercover-operation.html

Police raided their homes after a two year joint investigation with the RSPCA and National Wildlife Crime Unit and discovered hundreds of eggs, collecting equipment, photographs and diaries relating to activities at nest sites.   

[MAK]