I was interested in the "witness reported seeing a man smoking a cigarette" initial report. This was later explained by the possibility of that witness seeing a red light on Maura's cell phone, but I never saw it confirmed anywhere that her model phone actually had a red light on it. That in mind, I picked up a Sprint Samsung SPH-A620 (her phone according to the Maura Murray Missing website) and can confirm the phone does have a red light on it. I've only gotten it to come on when I've turned the phone itself on, but it's possible that it could come on at other times, such as connecting a call. I don't have Sprint, so I can't actually make successful calls on the phone to test further. (I'll look into activating the phone with another carrier, such as Boost Mobile, but if the cost is too high, then I've gone as far as I'd care to with this experiment.)
Pictures forthcoming when I get a working digital camera again.
Keep in mind, the witnesses were looking out a window at night and Maura's car was across the road. They really needed to stretch their vision to see. Do the keys light up on the phone? Sometimes they omit a color light such as amber or red. I tend to think Mrs. Westman was mistaken, because I had made the same mistake myself. I thought someone was smoking a cigarette, but then I noticed it was a cell phone. JMO