the forensic scientist turned the mask inside out and swabbed around the mouth area, hoping to pick up cells from saliva. using the entire surface area of the swab to collect as much of the potential cellular material that s there. using a dna test called str, or short tandem repeats, scientists found dna from three different individuals inside the mask, but investigators needed to know who was wearing the mask before it was discarded. to find out, they analyzed the swab from the ski mask to determine who left most of the saliva behind, and the results of this test were clear. in this case, the major contributor of dna matched that of ronald benson. the red ski mask was very important because it corroborated the story that we were able to receive from mrs.
scientists found dna from three different individuals inside the mask, but investigators needed to know who was wearing the mask before it was discarded. to find out, they analyzed the swab from the ski mask to determine who left most of the saliva behind, and the results of this test were clear. in this case, the major contributor of dna matched that of ronald benson. the red ski mask was very important because it corroborated the story that we were able to receive from mrs. shaw. mrs. shaw indicated that the person with the red mask was the most aggressive in the robbery. the identity of the other two dna profiles in the mask was inconclusive. the ski mask implicated ronald benson. the shoe impression outside the
material that s there. using a dna test called str, or short tandem repeats, scientists found dna from three different individuals inside the mask, but investigators needed to know who was wearing the mask before it was discarded. to find out, they analyzed the swab from the ski mask to determine who left most of the saliva behind, and the results of this test were clear. in this case, the major contributor of dna matched that of ronald benson. the red ski mask was very important because it corroborated the story that we were able to receive from mrs. shaw. mrs. shaw indicated that the person with the red mask was the most aggressive in the robbery. the identity of the other two dna profiles in the mask was inconclusive.
of the potential cellular material that s there. using a dna test called str or short tandem repeats, scientists found dna from three different individuals inside the mask, but investigators needed to know who was wearing the mask before it was discarded. to find out, they analyzed the swab from the ski mask to determine who left most of the saliva behind, and the results of this test were clear. in this case, the major contributor of dna matched that of ronald benson. the red ski mask was very important because it corroborated the story that we were able to receive from mrs. shaw. mrs. shaw indicated that the person with the red mask was the most aggressive in the robbery. the identity of the other two dna profiles in the mask was inconclusive. the ski mask implicated ronald
of the swab to collect as much of the potential material that s there. using a dna test called str or short tandem repeats, scientists found dna from three different individuals inside the mask. but investigators needed to know who was wearing the mask before it was discarded. to find out, they analyzed the swab from the ski mask to determine who left most of the saliva behind. and the results of this test were clear. in this case the major contributor of dna matched that of ronald benson. the red ski mask was very important because it corroborated the story that we were able to receive from mrs. shaw. mrs. shaw indicated that the person with the red mask was the most aggressive in the robbery.