. >> i want to go to vince velasquez, homicide detective there in atlanta. what do you make of this plot? and how often do you see murder for hire? >> nancy, i've actually investigated a couple of murder for hire cases after the fact, but looking at these past calls for service, it looks like she's trying to set up a pattern of situations that may support the murder when it happened. i would be interested on a handwriting analysis on the note and also the phone records to see where those calls were coming from. >> to dr. titus duncan, general surgeon, joining us out of atlanta. dr. duncan, as part of her scary, scary house arrest the judge put her on, thank you, judge boras, she's got to be drug tested. what are they looking for? >> they're looking for all sort of things like barbiturates, was she taking marijuana, any sort of drug that she shouldn't be taking at all that may sort of alter her mindset. they're looking for a bunch of things and the drug test is very, very sensitive to get and you can get almost anything that you want to and see if that person