No, and if you did kill her, you'd either mess up your game or the game would generate a new one, so you'd be right back in the same boat.
If you have to try, make sure all .package files under
Program Files/EA Games/The Sims 2 have been write protected, as well as the folders for the other EPs and SPs. You can either use Rodney's Death Creator (from testingcheats) or a gun from
http://www.simwardrobe.com
In addition, please don't type in L33T. Our eyeballs are too old for that. We'll cut non-English speakers quite a bit of slack. L33Ters will be ignored.