On 2009-10-23, Tyler & Eirene were both transferred to the Pinal County Jail in Florence, Arizona. Here is their current contact information:

Pinal County Jail
Timothy Whiteway 003191792
P.O. Box 2610
Florence, AZ 85132

Jennifer Whiteway 003290484
[same address]

You can use Mail-to-Jail to contact them once it’s updated. Note that Arizona only allows inmates to receive postcards (up to 5×7″), and not letters.

Thanks to Kevin C. for finding out the specific information for us. Until 2009-11-02, it was only known that they’d been extradited, but not specifically where to, or what their contact information is.