There are devices out there to recover deleted text messages. Just need access to the phone for a few minutes. Here's an example.
http://www.brickhousesecurity.com/cellphone-spy-simcardreader.html

Try looking on youtube to see how they work, they're filled with videos on this sort of stuff.

Positive Lifetime Attitude Award: http://tinyurl.com/2dssttf

H in MLC?: http://tinyurl.com/23fabv8

Infidelity: Expose or Not? http://tinyurl.com/26ksmfj