>> exactly. it's exactly like that. they were playing spy games. >> now it was up to mcdonald and szalbirak to find out if all of those spy games somehow developed into a conspiracy to commit murder. >> i became very suspicious that she had part in this on the side. >> detective sat down with danielle and recorded interviews with her on three separate occasions. from the very first interview, danielle willingly acknowledged that she and michael had been tracking sam and dianne. >> where did you put the tracking device on vehicle? >> i put it up under the driver's side rear wheel. >> okay. >> and i've been tracking him for about a month and a half. >> danielle also admitted to helping michael take the surveillance photos. >> who took the pictures? >> michael did. >> who's camera? >> mine. >> but danielle denied that all