Brian Walshe Trial: Ana's DNA Found on Human Tissue, Hacksaw & Hatchet — Prosecution Closing In

Hidden Killers With Tony Brueski | True Crime News & Commentary

True Crime Today

True Crime, News, News Commentary

3 • 791 Ratings

🗓️ 10 December 2025

⏱️ 17 minutes

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Summary

Day 7 of the Brian Walshe murder trial delivered the most damning forensic testimony yet. A Massachusetts State Police DNA analyst confirmed that Ana Walshe's genetic material was recovered from a piece of human tissue found in a dumpster near Brian's mother's apartment — the closest investigators have come to finding her remains nearly three years after her disappearance. But that wasn't all. Ana's DNA was also identified on a blood-stained hacksaw blade, a hatchet head, the handles of both tools, bloody towels, carpet fragments, and a clump of hair pulled from the same trash bags prosecutors say Brian Walshe used to dispose of his wife's body.

The statistical probability? At least 30 nonillion times more likely to be Ana's DNA than an unknown person's. Several items also contained DNA from both Ana and Brian Walshe, including bloodstained slippers and a Tyvek suit. One item — gauze with a red-brown stain — matched Brian alone. Prosecutors had previously shown the jury a photo of a cut on his thumb.

New surveillance footage showed Brian Walshe shopping at HomeGoods on January 2nd and 4th, 2023, buying rugs, towels, and bath mats — using store credit from his dead wife's previous returns. Prosecutors suggest he replaced the living room rug after Ana's death, pointing to photos showing a different carpet in the home when police searched it days later.

The defense pushed back on cross-examination, arguing DNA testing can't determine when or how biological material was deposited and suggesting items may have cross-contaminated in the trash compactor. But prosecutors countered that cleaning products — including the hydrogen peroxide and ammonia Brian purchased on January 1st — can destroy blood evidence.

Wednesday brings testimony from Gem Mutlu, Ana's former boss and the last person besides Brian known to have seen her alive. The prosecution may rest its case as early as tomorrow.

#BrianWalshe #BrianWalsheTrial #AnaWalshe #TrueCrime #MurderTrial #CohassetMurder #DNAEvidence #TrueCrimeNews #MassachusettsCrime #JusticeForAna

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Transcript

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0:00.0	This is Hidden Killers with Tony Brewski.
0:03.5	Here now, Tony Brewski.
0:07.1	They never found Anna Walsh's body.
0:09.3	Nearly three years later, that is still completely true.
0:12.8	But just the other day in Massachusetts courtroom heard the next closest thing.
0:17.8	Forensic testimony, placing her DNA on a piece of human tissue pulled from a dumpster
0:22.4	outside her mother-in-law's apartment. Brian's mom, you know, the one that allegedly was looking
0:29.4	and getting the PI involved. Hey, mom, me go dump out this old tuna casserole that's in the fridge.
0:38.0	Eat a couple of the crispy onion strings on top.
0:41.3	All right.
0:41.9	Oh, hang on, I got to dump some of Anna's tissue out here, too.
0:47.7	Weird family.
0:49.5	Weird family.
0:52.0	That tissue along with blood-soaked tools and household items now forms the backbone of the
0:56.9	prosecution's case against her husband.
1:01.2	Brian Walsh, who is fighting that first-degree murder charge while already having admitted
1:05.8	that the jury doesn't know this yet that he dismembered his wife and misled police about her disappearance.
1:16.2	Day 7 of the trial was about science, cold, statistical, unforgiving science, and the numbers the jury heard are the kind that don't leave much room for interpretation.
1:28.3	Forensic scientist Saman Salim from the Massachusetts State Police Crime Lab walked
1:33.3	jurors through DNA analysis on item after item recovered from trash bags near Brian Walsh's
1:39.2	mother's Swampscott apartment complex, a blood-stained white towel, and his DNA.
1:47.4	A hacksaw blade with blood on it, and his DNA.
	...

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