Just caught up on the thread, there's a couple items from previous post that I wanted to comment on but for the life of me I can't figure out that dang double quote!
In regards to searching properties around the area, LE needs permission to enter the premises and property BUT there are exceptions. A Warrantless search is allowed in cases where there is a danger to life, danger of escape or danger of destroying evidence. There is also the plain view exception. There are ways that LE can "get around" these exceptions.
~Hey, did you hear a lady scream? Yeah I did. Ok, let's get in there.
~They may not be able to see over a 6 foot fence, but they sure as heck can see into a backyard from the air.
Regardless, I really doubt (IMO) that LE was just busting down doors to search. I would venture to guess that the homes that were occupied received permission. The homes that were not occupied (rentals) may have someone that is responsible for the property in the area that has a key. It doesn't take very long to call the home owner, ask permission and then get the key from the cleaning crew. (IMO)
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In regards to the footprints, I completely understand that there is a paved road. If the road is not well traveled a child may walk in the street (I did it as child in the neighborhood) so, yes footprints would not be on the paved road unless perhaps they were muddy footprints. There is also a shoulder that is made of dirt & rocks, where footprints would be seen. My point is that we can't discount or accept (IMO) footprints or the lack of footprints unless we know that Dylan would NEVER walk in the road.