Wiens has a Ph D in Physics, with a minor in Geology.
His Ph D thesis was on isotope ratios in meteorites, including surface exposure dating.
“Mort had been a hunter and had promised to teach me how to shoot,“ she says, “but we never got around to it.” When a shooting range, started by two former SEALS, opened near her home, Mary decided to learn what she had missed with husband.
Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century.
There are over forty such techniques, each using a different radioactive element or a different way of measuring them.
The next night, her real intentions became clear, police told The Washington Post.
Bustos, 18, brought three men with her to Hilarie's place, including two career criminals on probation for violent felonies. When Hilarie, 27, responded to the knock on the door, the men overpowered him and dashed inside, police said. "Hilarie was begging for his life, he was not putting up any kind of fight, and was telling them that he had a 5-year-old daughter," according to arrest reports obtained by the Orlando Sentinel.