Originally Posted by Red__Zed

That's called felony murder and most states have a similar law (though other states are not quite as liberal with the death penalty). The big difference in TX is that you can be charged even if you didn't show up that day (ie, you planned the bank robbery but called out sick when it came time to do the job).

In New York it becomes 2nd degree murder if you are party to the originating felony.