I've long thought that QDots in Forensics has some promise. There are a great many more apps in real-time & post mortem forensics where QD's could be useful & there have been a few research studies on the subject thru the years...here's a few of them here:
https://www.ncjrs.gov/pdffiles1/nij/grants/227499.pdf ...&...
http://pubs.acs.org/doi/full/10.1021/acsnano.5b06433 ....&....
http://www.google.com/url?sa=t&rct=j&...Vysr-BDUyA