Where did the expression "Caught Red Handed come From" ?

[Pudcat]

Did it have anything to do with criminal punisment?

[DaveBH]

Got a feeling that it was something to do with a dye being put on banknotes that showed up under a certain type of light as red. hence the term red-handed.

[T&S]

Possible answer

http://www.phrases.or...aught-red-handed.html

[jackthehat]

http://www.worldwidewords.org/qa/qa-cau1.htm