Cassandra and Sherlock in “Unfinished Business”

How did you learn about Mr. Dylan's criminal record?

Sherlock

When I learned that James Dylan had sold Rada Hollingsworth her viatical, I did some cursory research into his background, research his employers had apparently neglected to do. That's the beauty of the Internet. Twenty-four-seven access to everything from twerking kittens to criminal records.