[Bloody Sam Roberts]

That package could not be one of the explosive devices. If it were, that postal service drop box would have sustained some serious damage. Yet it is pristine in the 'after' photo.

The tree also would likely have taken a beating.

[Tijeras_Slim]

Plus the traffic signs are undamaged. After the OKC bombing I did some work at EMRTC in NM to “calibrate” traffic signs with explosives, by using known amounts at known distances and angles you can get a better read on the power of the device and it’s location.