he's a criminal. he bought a stolen laptop (who buys a used computer without turning it on and exploring it a little to make sure things work? remember, he's smart enough to get your email, etc. he knows about computers and buying used computers).
contact your local police and explain the situation to them. ask if an officer can accompany you when you meet this person to receive your data (or whatever they think you should do...). you could then set up to meet in a public space and just have the police officer sitting somewhere nearby and then he'll walk over as your exchange takes place. i'm sure they can help with planning it all out and according to their policies...
if they turn you down for some bizarre reason (grumpy/lazy officer or receptionist maybe?) make sure to press the issue. make sure to walk in rather than just call. bring a copy of the email with you.
contact your local police and explain the situation to them. ask if an officer can accompany you when you meet this person to receive your data (or whatever they think you should do...). you could then set up to meet in a public space and just have the police officer sitting somewhere nearby and then he'll walk over as your exchange takes place. i'm sure they can help with planning it all out and according to their policies...
if they turn you down for some bizarre reason (grumpy/lazy officer or receptionist maybe?) make sure to press the issue. make sure to walk in rather than just call. bring a copy of the email with you.
have a good one