The sniper's first known victim, 55-year-old James Martin, was shot and killed in the parking lot of this Shoppers Food Warehouse grocery store in Wheaton, Md.
Oct. 3, 2002
Montgomery County Police Chief Charles Moose told reporters, "We do have someone that so far has been very accurate in what they are attempting to do, and so we probably have a skilled shooter."
Oct. 3, 2002
A woman who did not want to give her name cries as she is comforted by Sandra Cook, right, across the street from a Mobil station in Montgomery County where part-time cab driver Prem Kumar Walekar was shot dead while getting gasoline. The woman said she had dropped her children off at a bus stop a half block down just 20 minutes before the shooting occurred.
Oct. 4, 2002
Walter Dandridge, left, a firearms and toolmark examiner with the Bureau of Alcohol, Tobacco and Firearms, and ATF resident agent Joe Anarumo, middle, hold rifles as examples at the Montgomery County Police headquarters in Rockville, Md.
Oct. 4, 2002
Robert Coram stops at a makeshift memorial where Lori Ann Lewis-Rivera, 25, was gunned down.
Oct. 4, 2002
Police investigate the crime scene where an unidentified 43-year-old woman was shot and wounded outside a Michaels arts and crafts store in Fredericksburg, Va.
Oct. 7, 2002
Police officers search a white box truck. A witness had seen two men leaving one of the shooting scenes in a white box truck with black lettering.
Oct. 7, 2002
Montgomery County police cadets comb the woods looking for evidence near the Benjamin Tasker Middle School in Bowie, Md. after a 13-year-old student was shot and critically wounded as his aunt dropped him off at school.
Oct. 7, 2002
Shirley Fax comforts her son, Evan, 11, as he checks in with a loved one by cell phone outside Benjamin Tasker Middle School.
Oct. 8, 2002
Tables and chairs are stacked up near the back door of a Starbucks along Rockville Pike in Rockville, Md. Businesses around the Washington metro area beefed up security and safety precautions for patrons and employees.
Oct. 9, 2002
Police officers guard the crime scene area outside of a Sunoco service station in Manassas, Va., where a man was shot and killed.
Oct. 10, 2002
Police search for clues in the flower beds near the scene of a fatal shooting. Dean Harold Meyers, 53, of Gaithersburg, Md., was gunned down moments after filling his tank at the Sunoco service station in the background.
Oct. 11, 2002
Police chased down white vans on the interstate after a van was seen leaving the scene of another deadly shooting at a Virginia gas station. Here, Fairfax County and Virginia State Police man a checkpoint on Interstate 95 north, near the Fairfax County Parkway exit in Springfield, Va.
Oct. 12, 2002
These composite images of a white box truck were produced by the FBI and released by Montgomery County Police. Montgomery County police Chief Charles Moose said witnesses from more than one location have described seeing this type of truck. The writing in the top image reads, "unknown words."
Oct. 13, 2002
An employee with Industrial Marine Service, Inc., places flowers next to the Exxon service station pump where Kenneth Bridges, 53, was shot and killed. The Fredericksburg company spent the day cleaning and power washing the Spotsylvania, Va., service station where the sniper struck.
Oct. 13, 2002
A police officer from Prince George's County, Md., stands guard at FedEx Stadium in Landover, Md. The increased security was clearly visible at the Redskins' home field, 10 miles from a school where the sniper shot a 13-year-old boy.
Oct. 14, 2002
Police officers block traffic adjacent to a Home Depot store where Linda Franklin, 47, was shot and killed in Falls Church, Va.
Oct. 15, 2002
Investigators hunt for clues at the Home Depot.
Oct. 15, 2002
Montgomery County police officer Joyce Utter, left, and Corporal Robert Moroney of the Maryland State Police, right, steady a composite of a Ford van being sought in possible connection with the sniper shootings during a press conference.