–Needed incredible knowledge and control by conspirators.
–Must anticipate type of weapon, number of shots, number and location of hits, types and sizes of fragments to be expected.
–Must fire bullets from weapon in advance, recover fragments of various sizes and shapes from targets that simulate the human body.
–Must plant false fragments carefully enough that even ballistic professionals would not notice.
–Must plant rifle and hide real one.
–Must understand the unusual properties of WCC/MC ammunition found by Guinn a decade later.