Ottawa shooting

epaselect epa04467246 The shooting victim's stepfather Victor Briffa (2-L) and mother Kathy Cirillo (2-R) are escorted to Christ's Church Cathedral for the funeral of her son, Canadian soldier Nathan Cirillo, in Hamilton, Canada, 28 October 2014. Corporal Cirillo was shot and killed on 22 October while on guard duty at the National War Memorial in Ottawa. The gunman was later shot and killed inside the Canadian Parliament. EPA/WARREN TODA ORG XMIT: WTX16

HAMILTON, CANADA - OCTOBER 28: The funeral procession for Cpl. Nathan Cirillo approaches the Christ's Church Cathedral on October 28, 2014 in Hamilton, Ontario, Canada. Cirillo was shot and killed while on duty at Parliament Hill in Ottawa by Michael Zehaf-Bibeau on October 22. (Photo by Aaron Vincent Elkaim/Getty Images) ORG XMIT: 520712541 ORIG FILE ID: 457990824

epa04466981 An unidentified woman signs a flag as people leave flowers at a memorial site outside the home base of the Argyll and Sutherland Highlanders at the John W. Foote Armoury in Hamilton, Canada, 28 October 2014. On 22 October, Canadian soldier Nathan Cirillo, a member of the Argyll and Sutherland Highlanders, was shot and killed while on guard duty at the National War Memorial in Ottawa. The gunman was later shot and killed inside the Canadian Parliament. EPA/WARREN TODA ORG XMIT: WTX01

Floral tributes and a commemorative flag are placed near the War Memorial in honor of Cpl. Nathan Cirillo.

A boy lays flowers at a memorial on Oct. 24 to Cpl. Nathan Cirillo of the Canadian Army Reserves, who was killed two days ago while standing guard in front of the National War Memorial by a lone gunman.

This statues is the centerpiece to the National War Memorial in Ottawa, where Cpl. Nathan Cirillo of the Canadian Army Reserves was killed by a lone gunman.

Michael Sehaf Bibeau (circled on this security camera image) runs with a rifle during his shooting rampage near the Canadian Parliament in Ottawa, Canada, on Oct. 22.

Police continue to investigate at the National War Memorial in Ottawa.

The gates to Parliament Hill are closed to the public in Ottawa, Canada a day after a soldier was shot and killed while on guard duty at the National War Memorial. Warren Toda, european pressphoto agency

House of Commons Sergeant-at-Arms Kevin Vickers carries the mace during the Speakers Parade on Parliament Hill in Ottawa on Oct. 23. Applause from all sides of the House rained down on Vickers as he entered the legislative chamber. He was among those who opened fire on Michael Zehaf Bibeau, who stormed Parliament Hill as day earlier.

Police talk amongst flowers, laid at the foot of the War Memorial in Ottawa. Cole Burston, european pressphoto agency

Flowers with a card sit at the foot of the War Memorial in Ottawa, as part of a memorial to a soldier who was killed the day before while guarding the memorial.

A makeshift memorial sits on a downtown street one block away from Canada's National War Memorial in Ottawa. A Canadian soldier Nathan Cirillo was shot and killed while on guard duty at the National War Memorial. The gunman was later shot and killed inside the Canadian Parliament.

Soldiers lock the gates at the John Weir Foote V.C. Armory in Hamilton, Ontario.

An Ottawa police officer talks with a man on Elgin St. near the National War Memorial where a soldier was shot earlier in the day, just blocks away from Parliament Hill in Ottawa.

Parliament Hill and National War Memorial site as pictured from Mackenzie King Bridge in downtown Ottawa.

Police tape blocks Wellington St. at Sussex near the National War Memorial where a soldier was shot earlier in the day, just blocks away from Parliament Hill in Ottawa.

Several police officers walk near downtown Ottawa.

An Ottawa police officer puts up yellow tape at Elgin St. and Slater near the National War Memorial where a soldier was shot earlier in the day, just blocks away from Parliament Hill in Ottawa.

Emergency responders attempt to secure a portion of downtown Ottawa near Parliament Hill.

An Ottawa police officer runs across Wellington St. near the National War Memorial where a soldier was shot earlier in the day, just blocks away from Parliament Hill in Ottawa.

A police officer stands guard on Wellington St. in downtown in Ottawa.

Emergency responders attempt to secure a portion of downtown Ottawa near Parliament Hill.

Emergency responders attempt to secure a portion of downtown Ottawa near Parliament Hill.

People in the downtown area take photos as emergency responders attempt to secure a portion of downtown Ottawa near Parliament Hill.

Emergency responders attempt to secure a portion of downtown Ottawa near Parliament Hill.

Forensic police officers work near the National War Memorial in Ottawa.

A police officer directs traffic near the National War Memorial in Ottawa.

Police tape surrounds the Canadian War Memorial in Ottawa after a soldier standing guard was shot.

Police and medical personel transport a wounded person to an ambulance after a shooting at the National War Memorial.

Rescue personnel transport a wounded person.