She only walked to the edge, heard the branches cracking and turned around and came back. It's like walking out onto a frozen lake. It's not an exact science. It's not uniform. You might crack through, you might not.

Nope. You can't just become a detective. You have to get through police college, become a uniformed officer, write speeding tickets for a few years and then you get to apply for detective. Also, we don't know how much her consulting fee is. It could be more than the starting salary of a rookie police officer.