Car Troubles

well, as the title suggests, i have some problems with my car. I had the thing in park and the engine just cut off. like, it just shut down. Now, my question is what the hell is the problem. Im thinking it might be the fuel pump. I checked the bettery and the timing belt and both are fine. a freind of mine said that it might be the kill switch (i dont think its that but just felt like pointing it out), is he possibly right. i drive a 94 accord lx automatic (I know, I know..) and any advice as to whats wrong would be greatly appreciated. thanks y'all, peace.