(CNN)A murder weapon isn't the only thing missing as prosecutors try to convince jurors that former New England Patriot Aaron Hernandez orchestrated the  execution of Odin Lloyd. The shoes prosecutors say Hernandez was wearing at the industrial park where Lloyd was killed also have seemingly vanished into thin air. "The shoes and footprints caused by the shoes (are) a big deal," says CNN legal analyst Paul Callan, a former homicide prosecutor. A big deal because connecting an athletic shoe impression found near Lloyd's body to Hernandez could help prove he directly participated in Lloyd's death. Lloyd, 27, was shot once in the back and six times in the front in June 2013 -- the final two bullets fired as he lay face up, according to the medical examiner. Hernandez has pleaded not guilty.
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Shoes prosecutors say Hernandez wore on night of Lloyd's death are missing
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Hernandez is on trial for murder of Lloyd and has pleaded not guilty
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Linking shoes to impressions at crime scene would help prosecution with its case
The basement is where Hernandez's man cave is located and is complete with bar, a screening room, a pool table with a @placeholder's logo, and a trophy room.