the Surrounding Area
This is especially useful.
Is there wax on the:
- Door?
- Door frame?
- Key?
- Lock cylinder?
- Handle?
- Nearby wall?
- Porch surface?
A wider trail of wax suggests a very different situation from one precisely positioned spot.
Should You Touch or Remove the Wax?
If you don’t know what it is, don’t immediately scrape it off.
Take a few clear photographs first.
This is particularly sensible if you’re concerned that the material may have been deliberately placed there.
Photographs give you a record of its original location and appearance.
