It's three weeks later, the wall is covered in pieces of paper, photographs and string, Sherlock hasn't slept for days, hasn't eaten for a week, and is running around all over the place, but he is getting somewhere.
"I think we need pushpins and red string.You're supposed to put all the stuff you know on a bulletin board with pushpins, then connect them with red string. It's a must for figuring things out."Webcomic
—Charlie Asher, Secondhand Souls