CNN CNN Newsroom July 5, 2013 18:20:00
There could be some transfer of those bodily fluids? if not actually blood? >> so there is no hemorrhage. so there is no clot. just superficial. >> your opinion is there wouldn't -- if that abrasion were to come in contact with someone's clothing, there would be no transfer of biological matter? >> it could be. because the superficial skin was off. so -- so i believe there a possibility after this injury, the superficial skin could transfer from one person to anoth another. any time you have contact you have some transfer. it's called trace evidence. it's in the book. trace evidence means you ...