Would you care to explain to me why it is I have a report on my desk that lists you as the primary witness in a shooting?
[immediately after]And none of that 'I just happened to be there' crap either, Sherlock. We both know you didn't just give your statement and leave it at that.
[a few seconds later]Am I going to have to actually arrest you - again - to keep you away from crime scenes in this city? I'll do it, if I have to.