State of Maine v. Cookson

CourtSuperior Court of Maine
DecidedAugust 9, 2002
DocketPENcr-00-11
StatusUnpublished

This text of State of Maine v. Cookson (State of Maine v. Cookson) is published on Counsel Stack Legal Research, covering Superior Court of Maine primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
State of Maine v. Cookson, (Me. Super. Ct. 2002).

Opinion

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STATE OF MAINEPENOBSCOT COUNTY

5 . v. ) DECISION AND ORDER DONALD L. GARBRECHT ) LAW LIBRARY JEFFREY A. COOKSON, ) Defendant ) Aue 13 2002

The matter is before the court on the Motion for New Trial of the defendant, Jeffrey Cookson (“Cookson”). For the following reasons, the motion is denied. BACKGROUND! —

This case revolves around the December 3, 1999 deaths of 20-year-old Mindy

Gould (“Mindy”) and 21-month-old Treven Cunningham (“Treven’’). The court conducted a trial on this matter from November 27 to December 6, 2001. In the course of the trial, the State presented evidence linking Cookson to the murders. Specifically, the State introduced evidence, including motive, opportunity, and ballistics evidence, showing that Cookson had committed these crimes. After the trial, the jury found Cookson guilty of murdering both Mindy and Treven. Shortly after the jury read its verdict, the court conducted an in-chamber conference during which Cookson’s lead defense counsel, William Maselli (““Maselli”), revealed that a David Vantol (““Vantol’”) “confessed to killing . .. Mindy Gould and Treven Cunningham with the 9 millimeter Taurus firearm... .” In-Chamber Conference Transcript, p. 2. Based on this information, Cookson moved the court to order a new trial. The court conducted a hearing on this matter on February 1 and 21, 2002, and heard the parties’ arguments on July 26, 2002. Cookson’s Motion for New Trial focuses on the veracity of the State’s ballistics evidence, and the post-trial revelation of Vantol’s confession. 1. Ballistics Evidence a. Testimony and Evidence Introduced at Trial During the trial, the State offered the testimony of two firearms examiners from

the state crime laboratory. The first was Bryan Bachelder (“Bachelder”), an investigator

1 The court will address additional specific factual information as it is needed in the discussion section. who has been assigned to the firearms section of the crime laboratory since 1994, and who has conducted several thousand examinations of firearms, casings, and projectiles. Bachelder testified at the trial that in comparing the casings recovered from the scene of the crime, he determined that not only had the casings been fired from the same firearm, but that those casings had been fired from the same firearm as had casings collected from Douglas Fletcher, Thomas Wright, Glenn Osgood, and John Fletcher, each of whom had at one time owned a firearm, namely a Taurus 9 millimeter handgun, that Wendell Millett testified he traded to Cookson. He made this determination by examining the shell casings and finding the “unique characteristics” of the gun that fired the casings. As

Bachelder testified,

several marks that are left behind on the shell casing from the breach face that’s been tooled. And, like I said, microscopically, tools, as they’re manufacturing parts of the firearm, are wearing. Those tools then become unique, what we call unique characteristics.

I match the unique characteristics left behind on a shell casing after it’s been fired by either the breach face or the firing pin as it strikes the primer, which is the small catalyst for the explosion that cures inside the fire — inside the shell casing.

Trial Transcript, Volume 5, p. 196.

The second examiner, Charles Helms (“Helms”), also worked in the state crime laboratory as a firearms examiner. Helms began studying firearms identification in 1989 and has since examined 3,000 pieces of evidence. At the trial, Helms described how firearms examiners identify the firearm out of which a projectile was expelled:

We use what’s called a two-stage comparison microscope where we can view both spent bullets or spent casings in conjunction with each other.

What we’re looking for is unique marks or accidental marks on the bullet that’s left by the rifling in the barrel or the extractor, ejector, and firing pin of certain firearms.

When the firearm is built at the factory, when the barrel is built, rifling grooves are placed in the barrel, and that’s done by a metallic tool most of the time, either known as a button or a cutting broach. And, as that tool is cutting, the microscopic imperfections where that barrel is changing all the time. Consequently, you can identify the microscopic marks from one bullet to the next as they’re imparted from a barrel.

The same thing will happen with a spent casing. Not only is that barrel propelled at high pressure down through the barrel from an explosive force, the spent casing is also forced back and out. What you feel when you fire the gun is recoil. So those marks are then imparted there, the extractor marks. It takes the bullet from the chamber, sometimes the firing pin mark, sometimes the breach face marks — when the fitter builds the weapon, he may take two strokes on a file this way on the breach face, six strokes in this direction, so every one is different and unique to itself.

We can also use what’s called class characteristics. And looking at firearms — and this is where firearms identification started back in the 1800s. Colt may put six lands and grooves on the barrel, and Smith and Wesson may put seven or five. So if we look at a bullet and we count six lands and grooves from an offense, and we have another bullet that’s submitted to use and it has five or eight lands and grooves, we can discount that bullet without even any further examination. Trial Transcript, Volume 5, pp. 152 — 154. Helms concluded that the bullets retrieved from under the front door step of Cookson’s father’s former home were similar in appearance to the bullets retrieved from near the payphone at the Log Cabin Store. Moreover, he concluded that a bullet from Mindy’s autopsy was fired from the same gun as a bullet retrieved from the wood floor under the bed. Helms also found that a bullet taken from Cookson’s property was fired from the same firearm that fired the bullets retrieved from Mindy and the wood floor underneath Treven, and that the two shell casings found at the scene had been fired from the same gun.

At the trial, the defense neither cross-examined the State’s experts nor produced its own ballistics expert.

b. Testimony and Evidence Introduced at the Motion for New Trial Hearing

At the February 21, 2002 hearing, the court again heard from Bachelder, who stated that the gun recovered by Vantol “was the firearm that was used to fire the cartridge cases and bullets found at the scene,” and that the casings that were provided by the prior owners of the Taurus referred to at the trial were not a match with the casings found at the crime scene.

Bachelder testified that he had read an article in a firearms examiner publication,

which discussed the Taurus Model-92 firearm. The article showed

a manufacturing process by which a characteristic is put on the breach face of the firearm that, when I examined the original evidence in this case, that characteristic that I thought was a unique characteristic is not a unique characteristic. It occurs intermittently with the wear of the drilling machine. Motion for New Trial Transcript, Volume 2, p. 90. Thus, when Bachelder, who had . never examined a Taurus PT-92 or PT-99 before this case, identified the trial gun as the same gun that fired both the casings of Fletcher, Wright, and Osgood, and those found at the crime scene, he mistakenly made it on a class characteristic, not a unique characteristic. As he explained:

Normally when you receive a firearm and a firing pin has struck the primer, the firing pin goes through a breach or as a part of the slide, there’s a hole drilled, and that allows the firing pin to come through.

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State of Maine v. Cookson, Counsel Stack Legal Research, https://law.counselstack.com/opinion/state-of-maine-v-cookson-mesuperct-2002.