Prosecutors are showing images from the Target surveillance cameras tracing the movements of a man wearing jeans and a jacket through the store.
Jury now being shown older photos that are "known" photos of Charles Severance. He appears with brown, short hair, no beard. He's wearing dark, aviator style sunglasses in one of them. He appears much younger than he does today.
Jury now shown side-by-side comparisons of images taken from the Target surveillance footage and the known (older) images of Severance.
Final side-by-side shows a man in Target wearing a dark leather jacket compared to Severance's dark leather jacket, found with him when he was arrested in West Virginia.
Court has resumed after a break for lunch.
Chris Dunning, Nancy Dunning's son who testified Thursday about finding his mother's body is in court today with other members of the Dunning family.
FBI investigator yes the man in the dark jacket and jeans is a "person of interest."
The defense points out that at one point the man in the jacket bends down to tie his shoe. The FBI investigator says yes, the actual video shows the man tying his shoe.
The general manager of North American Arms takes the stand.
Prosecutors believed the three guns used to kill Kirby, Lodato and Dunning were made by North American Arms.
GM: the barrel of the .22-caliber long-rifle mini revolver is 1 1/8 inch long. Also offer one with a 1 5/8 inch long barrel.
A similar gun is show to the general manager.
The two guns Linda Robra bought from North American Arms were manufactured in May 2012.
The company included spent shell cartridges in the gun boxes to purchasers from 2007 to mid 2012.
He says the decision to stop including the shell casings in about April of 2012 - before Robra's mini revolvers were manufactured.
He describes the mini revolver as a defensive weapons, designed to be concealed. Its not legal in Maryland, because the state felt it was too small.
The general manager, Kenyon Scott Friel, says the .22 long rifle is very slow to reload. It's also a single action gun - the hammer has to be pulled back each time to fire it.
Other 5-shot manufacturers includes Smith and Wesson and Ruger - but they make much larger revolvers that use larger ammunition.
Defense attorney Joe King is asking Friel about the popularity of the mini revolver.
Frill says yes, it is the most popular mini revolver every produced. North American Arms makes 7,000 to 8,000 of these guns per year. Prosecutors says that this mini revolver was used in all three killings.
8 lands, 8 grooves and the bullets twist to the right, Frill says explaining how the bullet moves through the barrel of the mini revolver.
North American Arms also makes a .22 magnum revolver that has the same rifling pattern: 8 lands, 8 grooves with a right twist. Severance's defense team has said previously that there's no way to know for sure what gun specifically was used in the shootings either the size, make, model or the gun's owner. The defense is asking about the volume of the company's gun production, suggesting that there are a lot of these guns out there in circulation.
The company also makes another mini revolver 1 1/2 inch barrel, 5 shot with the same rifling pattern, 8 lands, 8 grooves and can be converted into a long rifle mini revolver.
North American Arms is based in Provo, Utah. Friel notes the company doesn't sell its guns online.
Kris Carson from Remington Arms is now talking about its .22-caliber ammunition. They sell 8 different varieities.
Carson from Remington says the .22 subsonic bullets are a "quiet projectile." Low velocity ammo is used for small game or target practice.
Carson says a box of .22 long rifle ammunition investigators found was made in 2001. There's no way to know when they were purchased or shipped. The cyclone and subsonic bullets the company makes are identical.
Remington's Carson says the company sells .22 ammo before its manufactured because of the high demand. Sold overseas, Walmart, sporting good stores, etc.
King asks him about the sound the .22 subsonic would make. It doesn't make a sonic "crack" as it breaks the sound barrier. "It still makes a pop." Says you could wear ear protection if you wanted to.
(Commonwealth's Attorney Bryan Porter said before the two gun and ammunition experts testified that they were taking witnesses out of order because some of them had to catch a plane)
Lt. Ed Milner with Alexandria police is now on the stand.
OK so we're back to the Target surveillance footage.
A portion of the surveillence video is shown. The top of Nancyy Dunning's head is visible, Milner points out. The man who police say is Severance bends over to tie his shoe. Continues walking. Still talking on a cellphone.
Video shows Nancy Dunning pushing a cart out of the Target as the man in the dark jacket and jeans follows behind her, walking under the exit camera. The man has no bags or items in his hands.
Dunning walks past the camera twice as the man in the dark jacket and jeans enters. He bends over, walks in the direction she headed.
The next segment is in a different part of the store about 15 minutes later.
The third segment has no time stamp as Dunning exits with the man walking behind her.
Milner says it would take 5 to 10 minutes to travel from the Target to the Dunning home on Mt. Ida Avenue.
Milner says the exterior store cameras weren't angled to capture Nancy Dunning get into her car or exit the lot.
Technical difficulties displaying another video. 5-minute recess.
Milner says Nancy Dunning arrived 45 minutes before the man seen tying his shoes enters the store.
Its unclear how the man seen in the video arrived at the store.
Alexandria Sgt. David Cutting says that Sheriff Jim Dunning's clothes were tested for his wife's blood, known was found. No useful hairs or fibers were found that could lead to a suspect.