DNA Evidence Left at Scene Used to identify Suspect in October Attempted Commercial Armed Robbery in Germantown

Larry D. Armwood

Detectives from the Montgomery County Department of Police – Major Crimes Division have charged Larry D. Armwood, age 44, of the 12500 block of Cross Ridge Way in Germantown, for the October 24 attempted armed robbery of a Subway sandwich shop in Germantown.

On October 24, 2019, at approximately 9:17 p.m., 5th District officers responded to the Subway sandwich shop located at 18010 Mateny Road for the report of an attempted armed robbery that had just occurred.

The investigation by detectives determined that the suspect entered the store and displayed a knife.  The suspect immediately vaulted the store’s front counter, threatened an employee who was behind the counter, and demanded cash from the business.  After being threatened, the employee vaulted the front counter and fled from the store.  The suspect then attempted to vault the front counter to chase the employee but the suspect fell and hit his head on the floor, leaving blood evidence behind.   The suspect then fled from the store without obtaining any cash or property.

A DNA analysis was conducted on the blood evidence left inside the Subway.  On December 20, 2019, the Montgomery County Department of Police Crime Laboratory received notice from the Combined DNA Index System (CODIS) that the unknown suspect’s DNA matched the DNA belonging to Armwood.

On January 2, detectives obtained an arrest warrant for Armwood charging him for this attempted armed robbery.

On January 17, Armwood was arrested on the strength of the Montgomery County arrest warrant and is being held without bond.


Update: One Suspect Charged in Aspen Hill Area Theft from Vehicles; Detectives Seek to Identify Remaining Suspect

Deauntae Slaughter

Detectives from the Montgomery County Police Department – 4th District Patrol Investigations Unit have charged Deauntae Slaughter, age 19, of the 3300 block of Medway Street in Wheaton, with offenses related to thefts from vehicles that occurred during the early morning hours of November 10 in the Aspen Hill area. 

On November 10, the following two thefts occurred:

  • Residence 1: 14000 block of Manorvale Road – Victim reported that suspects entered a vehicle in the driveway, dumped out the contents of the glove box and center console, and took several items.       Investigation suggests the vehicle doors were unlocked during the time of the theft.
  • Residence 2: 14000 block of Manorvale Road – Detectives reviewed home surveillance video which shows footage of both suspects. One suspect is shown entering an unlocked work van and stealing property.       The surveillance video further shows the suspect attempt to enter another vehicle in the same driveway, but the doors were locked.

On November 19, detectives released surveillance video of the two suspects to the media and public and asked for help identifying both suspects.  Investigators received a tip that led to the identification of Slaughter as one of the suspects.

On January 20, Slaughter was arrested on the strength of a Montgomery County arrest warrant charging him with theft-related offenses.  Slaughter was released after posting a $2,000 bond

The police department thanks the tipster who provided the information that led to Slaughter’s identification and arrest.

Detectives continue to work to identify the remaining suspect and ask that anyone with information about the suspect contact the 4th District Patrol Investigations Unit at 240-773-5476.  To be eligible for a reward, tipsters may call Crime Solvers of Montgomery County toll-free at 1-866-411-TIPS (8477).  Crime Solvers will pay a cash reward of up to $10,000 for information provided to them that leads to the arrest and/or indictment of the suspect.  Tipsters may remain anonymous.


Unidentified suspect

Deauntae Slaughter

Shoes that Slaughter was wearing during the thefts and that can be seen in surveillance video

Third Suspect Charged for Armed Robbery of Jewelry Store In Bethesda

Kevin Harrington

Detectives from the Montgomery County Department of Police – Major Crimes Division have charged Kevin Joseph Harrington, age 36, of an unconfirmed address in Washington, D.C., for the December 13 armed robbery of The Jewelry Exchange store located at 7747 Old Georgetown Road in Bethesda.  Derrick Lamont Graham, age 42, of an unconfirmed address, and Anthony Maurice Starr, age 49, of the 2700 block of Jasper Place in Southeast, Washington, D.C., were previously charged for this same armed robbery.

On Friday, December 13, at approximately 5:46 p.m., three male suspects entered The Jewelry Exchange store.   One suspect displayed a handgun and the males demanded jewelry.  While two of the suspects obtained the jewelry, the third suspect acted as a lookout at the front door of the business.  The suspects stole approximately 100 pieces of jewelry with a total worth of over $60,000.

On December 17, the police department released surveillance video of the suspects to the media and public and asked for help in identifying them.  Detectives received multiple tips identifying Graham as the suspect who displayed the handgun.

On December 30, Graham was arrested in Arlington, Virginia, on unrelated charges and served with a Montgomery County arrest warrant charging him with armed robbery.

During this investigation, detectives also identified Starr as one of the suspects.   On January 8, Starr was arrested at his home on the strength of a Montgomery County arrest warrant charging him with armed robbery.

Detectives continued to investigate this armed robbery and received a tip from a resident who identified Harrington as the remaining suspect.  Detectives obtained an arrest warrant for Harrington charging him for armed robbery.  On January 16, detectives arrested Harrington in Northwest, Washington D.C.  Harrington remains in custody in Washington, D.C., pending extradition to Montgomery County.

The police department thanks the tipsters who provided information that led to the arrests of Graham, Starr, and Harrington.


Derrick Lamont Graham

Anthony Maurice Starr


Concern for Missing Takoma Park Area Juvenile (LOCATED)

Sarela Nely Lanza

Update: January 21, 2020 – Sarela Nely Lanza has been located safe and unharmed.

Detectives from the Montgomery County Department of Police – Special Victims Investigations Division are asking the public for help in locating a missing juvenile female from the Takoma Park area.

Sarela Nely Lanza, age 14, was last seen by family at approximately 6:00 a.m. on Thursday, January 16, when she left her Garland Avenue home on foot.

Lanza is approximately 5″6″ tall and weighs 135 pounds. She has red hair and brown eyes.

Police and family are concerned for Lanza’s welfare.

Anyone who has information regarding the whereabouts of Sarela Nely Lanza is asked to call the Montgomery County Police Special Victims Investigations Division at 240-773-5400 or the police non-emergency number at 301-279-8000 (24 hours).


Detectives Investigate Fatal Pedestrian-Involved Collision in Rockville

Detectives from the Montgomery County Department of Police – Collision Reconstruction Unit are investigating a fatal pedestrian-involved collision that occurred this evening in Rockville.

On Thursday, January 16 at approximately 6:33 p.m., officers from the 1st District, the Rockville City Police Department, and Montgomery County Fire and Rescue personnel responded to Rockville Pike (Route 355) near Wootton Parkway for a report of a serious collision involving a pedestrian.

Preliminary investigation has determined that a 2014 Honda Accord was traveling southbound on Rockville Pike approaching Wootton Parkway. For reasons still under investigation, the Accord struck an adult male pedestrian, who was attempting to cross Rockville Pike in a westerly direction.  The pedestrian succumbed to his injuries at the scene.  The adult male driver of the Honda and an adult female passenger in the Honda were not injured in the collision.

The driver of the Honda Accord is identified as 61-year-old Kathatorn Nonceeya of Fallsgrove Boulevard in Rockville.

The pedestrian is identified as 32-year-old Brett Richard Badin of the 11800 block of Old Georgetown Road in Rockville.

This collision investigation is ongoing. Anyone with information is asked to call the Collision Reconstruction Unit at 240-773-6620.