1993 Ford Tempo starter

1993 Ford Tempo 4 cyl Front Wheel Drive Automatic

my car will not crank at all, started 1 month ago, when u crank it, it cranked but made a screeching noise, then after it sat all night it cranked, but would stay engaged repeatedly cranking over and over again. I would take the key completely out of the ignition and, it still stayed engaged, then I will put the key back in and, it would crank normally. 2 days ago I came out of the store it wouldn't make a sound at all then I let it sit for 10 minutes, it cranked but made the screeching noise. The next morning it will not crank at all, nothing.