No spark?

Hello, did you check to see if you have power to the Ignition coil pack? Will post wiring diagrams for it. You can also check the wiring to the Crank position sensor wiring to the PCM because it should have a bias voltage across the 2 wires to the sensor with the Key On engine off. Then you can also check the resistance of the crank position sensor itself unplugged. Has the Check engine light been on? Ill post the info and diagrams for multimeter testing to start with.

The 1st diagram is the Crank position sensor wiring.
The 2nd, 3rd diagrams are for power to the Ignition Coil pack (12v Key On) and power coming from the pcm power relay.
The 4th is for checking the Bias Voltage at the Crank position sensor harness plug (sensor unplugged, Key On). It should read 1-3volts
The 5th diagram is checking the crank position sensor resistance(unplugged, key Off).
And if the crank sensor has failed, the 6th diagram is for resetting the Keep Alive Memory of the PCM (KAM Reset) after replacing the sensor.

On the Ignition coil pack, you should have a control signal on the two wires (pin 3 LightGreen/White wire) and (pin 1 DarkGreen/Violet wire). Technically with a test light hooked to battery positive, either of these wires should flash your test light while cranking. Because the Ignition Coil is Grounded on each of these wires to fire each set of coils. This is a Waste Spark system, so 2 spark plugs are fired at the same time.

There are some more tests to see if any of the crank sensor circuits are shorted to ground, since the two wires have a Grounded shield wire over them, if the wires rub through the insulation it can short to this Shield wire. But see what you get for the crank sensor, and coil pack , and I will post the rest of testing

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Okay, that looks like rodent damage, I have seen plenty of that over the years. If you can pull off the tape of the connector wiring so we can see exactly what the wire colors are, that will help identify which connector it is for. Being that it is 3 wires, it's most likely going to be a sensor connector. But I can't make out the wire coloring from the pictures. Each wire will be either a solid color, or a solid color with a stripe of a different color, I will save these pictures in your file, so I have them.
As for the key issue, can you get the key to go into the ignition switch all the way? And it just won't turn? Also do you notice anything else that looks out of place, such as under the hood with other wires. If you have rodent damage on one connector, I can almost guarantee that there are other areas that are chewed up. The rodents like to chew the wires because there is a chemical in the wire insulation that they like the taste of.
I just had another customer that had all the wiring to the front ignition coils and fuel injectors eaten up, it was all completely gone. If you live in the country or do not drive much, that's what usually happens. Since you just recently bought the vehicle, it was probably a country vehicle.
But start will be getting that tape off there and I can go through the wiring diagrams and find the connector.
Did you replace the crankshaft position sensor yet? I would also recommend taking a look at the rest of the wiring in the engine compartment for chewed wires. That is probably why you can't turn the key. We have had so many Ford Escape issues lately, more than I have ever seen.
I'll dig up the diagrams for the ignition switch. I will be a little while, about an hour or so, I have a mobile call to go on really quick and I'll get back with you. Thanks

Sorry for my delay, I had some computer issues, I've been looking for that 3 wire connector and am not coming across anything like that. Where was it under the vehicle? Under the engine area or was it further back? It difficult to tell the wire colors too because it's obviously been exposed to the elements for years and the colors fade over time. I think its Orange, Pink or Red with a white stripe, and black. Does that sound right, or do you think it's more red with a pink stripe?
I'm having a very difficult time seeing anything clearly on this computer right now, but I'll have things working better tomorrow. Sorry for the technical issues right now.
But the crank sensor and cam sensor are both 2 wire sensors, so I think the 3 wire is a sensor that uses a reference voltage, signal wire and a ground. If someone did cut it, and then pulled the connector off and just dropped it or threw it, it can be from anywhere. Take a look back near the gas tank area, there is a 3 wire fuel tank pressure sensor, the Evap canister components that purge vapors from the gas tank. It almost has the same colors as the Fuel tank pressure sensor, which should plug in on top of the gas tank, or are sometimes on the vapor hose coming from the gas tank. So, look around back there too,
This is the OEM diagram with the tank pressure sensor, the orange wire looks like a sensor ground wire. But I'll get back on this tomorrow when I can see better on this PC. Also look into the Ignition switch wiring.

Have you had any success in finding those cut wires for that connector? Or getting the Ignition switch to turn?