Tear Pattern News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Piece of duct tape from the roll, and the fibers leave a distinctive tear pattern at the end, which often is as unique as a fingerprint. >> it's called a fracture match exam, and it's a type of exam where you -- it's like a forensic puzzle. try to put the pieces back together to see if at one time they were a single piece. >> wallace used a high-powered microscope to compare the end of the roll of tape found in garvin's garage to the ends of all the pieces found with shirley's body. and she discovered that the ripped end on the roll of duct tape lined up perfectly with the piece found with shi...

Wounds to the head. >> i absolutely thought i was just going to crumble. and i felt greater loss than i've ever, ever felt in my life. >> but police found no evidence that mike owned a .22 caliber pistol. in mike's garage, however, police found three rolls of duct tape which were sent to fiber expert donna wallace. >> i was able to rule out two of the rolls of duct tape, because it had visual differences from the tape on the bags. it was slightly different in color and it had indentations along the surface of the tape. >> but the third roll was another matter. unlike the regular tape, duct tap...

Roll, and the fibers leave a distinctive tear pattern at the end, which often is as unique as a fingerprint. >> it's called a fracture match exam, and it's a type of exam where you -- it's like a forensic puzzle. try to put the pieces back together to see if at one time they were a single piece. >> wallace used a high-powered microscope to compare the end of the roll of tape found in garvin's garage to the ends of all the pieces found with shirley's body. and she discovered that the ripped end on the roll of duct tape lined up perfectly with the piece found with shirley's body. >> the fact tha...

8:00, i just think it's fascinating that even with small pieces of debris or even a large piece, if in fact this is a piece of the plane, you can start to understand what actually happened to the aircraft, even without finding the aircraft itself, depending on where the pieces are from, correct? >> that's right. depending on the pieces, where they're from, what's on the pieces, the tear pattern, the force pattern, whether there's any residue on them, any burn marks. ntsb investigators and others are very good at picking up the clues and every piece can hold just a wealth of information. very v...

Pieces of debris or even a large piece, if in fact this is a piece of the plane, you can start to understand what actually happened to the aircraft, even without finding the aircraft itself, depending on where the pieces are from, correct? >> that's right. depending on the pieces, where they're from, what's on the pieces, the tear pattern, the force pattern, whether there's any residue on them, any burn marks. ntsb investigators and others are very good at picking up the clues and every piece can hold just a wealth of information. very valuable pieces. >> and david, we've talked about this aga...