WOODBRIDGE, Va. (WUSA9) -- The father of a woman shot while working at a grocery store in Woodbridge last month spoke to the media on Wednesday afternoon.

The father of 21-year-old Glenda Marisol Coca-Romero joined police in a plea for more information that could help the investigation into her death.

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Police are still looking for the three males with their faces covered who walked into Platanillos Grocery and Jewelry located at 14342 Jefferson Davis Highway on Feb. 21 before gunshots rang out. Surveillance video captured the nine seconds it took the males to run into the store, shoot two women, including Coca-Romero, and run out. Coca-Romero died from her injuries.

Two customers were also inside the store at the time of the incident but were unharmed. The suspects did not steal any property or money, police said.

Officials are offering a reward of $11,000 for anyone who has information which leads to an arrest in relation to this incident.

Anyone with information is asked to call Crime Solvers at 703-670-3700 or 1-866-411-TIPS. A reward of $11,000 was posted by the Prince William County Police Department and the FBI, for any information related to the murder.

Coca-Romero's murder was the first murder for the county in 2014.