I guess it's only DIY if you can afford it, and this sweet surveillance van looks like it cost a pretty penny. Still, it's not government issue, so that makes it DIY. Somehow the cherry red color ...

Make Alan Turing proud by crafting your own replica of the historic Enigma cryptomachine with this extensive tutorial by ST-Geotronics.

Love rats beware! Cheap DIY spy gadgets - from tiny hidden cameras to undetectable tracking devices – are making it easy for people to catch cheating partners. But is it strictly legal?