Lawyers break down DNA evidence on Brian Walshe trial day 7

Prosecutors narrowed in on DNA evidence on day seven of Brian Walshe s trial with spectators detailing the process of analyzing samples from blood-stained slippers to a hacksaw and hatchet The DNA profile from this item is at least nanillion times more likely if it originated from Ana Walshe than if it originated from an unknown unrelated individual and this provides promotion for inclusion of Ana Walshe to this DNA profile noted Salman Saleem forensic scientist in the DNA unit at the Massachusetts State Police crime lab speaking of a stained area on the blade of a hacksaw Forensic specialists spoke to the lengthy process of DNA collection and analysis on Tuesday in Norfolk Superior Court where Brian Walshe stands trial on charges he killed his wife before dismembering and disposing of her body in January Brian Walshe pleaded guilty to lying to investigators when Ana Walshe first disappeared and mishandling her remains ahead of his trial However the defense has claimed she died of sudden unexplained death and the husband covered up her death in fear of losing custody of his children Without a body prosecutors during the trial have turned to blood and other forensic evidence for details of her death Eyewitnesses testified Tuesday that evidence supports the conclusion that Ana s DNA was exposed on several objects These included stained dark grey slippers several spots and stains on a Tyvek suit a lightweight disposable coverall used in sessions like painting or cleanup unknown tissue exposed in a Swampscott dumpster samples of a red brown stain on the houses basement floor the blade and handle of a hacksaw a towel with red brown stains stained hairs a rug with red brown stains and a hatchet A state trooper previously testified several of the items including the Tyvek suit hatchet and hacksaw were ascertained in a Swampscott dumpster and trash compactor where Walshe s phone had been tracked to Brian Walshe s DNA could be substantiated on several items as well Saleem testified Evidence of his DNA could be revealed on a spot on the Tyvek suit and a piece of tape with gauze and a red brown stain she noted Defense attorney Larry Tipton pushed back on the process of DNA collection and identification stirring doubt about how the DNA was deposited whether other DNA could be present and more Based on all of your observations of the information and the results here once again you can t say how any of the biological material was deposited on any of these items correct Tipton explained That s correct Saleem answered And you cannot tell the jury and it s the limitation of the DNA testing you can t tell when it was deposited correct Tipton continued before Saleem disclosed correct For instance if there is a particular object like a tool let s say a hatchet you cannot tell from your DNA testing if that hatchet really ever came into contact with the biological material Tipton began before the prosecution objected Related Articles Watch Live and updates Brian Walshe murder trial Day Without a body Brian Walshe prosecutors turn to blood Watch Live Day The murder trial of Brian Walshe Brian Walshe trial enters week Brian Walshe murder trial Day Finding the hatchet and the hacksaw The prosecution ended the day by calling the district loss prevention manager for Home Goods in the area and playing more videos of Brian Walshe appearing to buy more items like a rug and a bath mat in the days after his wife went missing The video evidence follows several similar videos shown on day six including ones appearing to show the suspect purchase items like a mop painters buckets rags three -ounce bottles of ammonia and five bottles of hydrogen peroxide in the first days of January The trial will resume Wednesday at a m This hatchet is among the tools presented as evidence in the trial of Brian Walshe on murder charges in connection with the death of his wife Ana Greg Derr The Patriot Ledger via AP Pool