Patio doors only way to secure is to roll shutter, go with metal framed ones with layered glass and real locks with restricted key ways. We used the container doors from intermodal container to make barriers on the French doors open when at home closed tight when not, even if you cut throug outside lock there is still inside locking bar, no grinder or saw all will easily cut through, using free spinning coated round stock (solid metal pipe coated with fiberglass) it is near impossibe to cut fast or efficiently.
All you can do is buy time for response and make it so hard they move to easier target. Being small town you know who bad element is, you can make sure they give your place a pass.