While the actual reason behind the killing may never be known, it seems that at one time, at least, the two were very happy. Photos have emerged at TMZ showing Steve McNair and Sahel Kazemi vacationing together.
In the Steve McNair and Saehl Kazemi vacation photos, the couple appears happy. It's clear it was some sort of beach vacation, but unclear where the couple was.
At the same time that Steve McNair and Sahel Kazemi vacation photos have emerged, so has a police dashcam video of the DUI arrest which preceded the murder - suicide by a few days. Kazemi was pulled over for speeding on July 2, but then failed field sobriety tests.
It's a sad story, but shows the consequences of an affair. One of the Steve McNair - Sahel Kazemi vacation photos is attached, but you can view all 4 at TMZ.