NEWS
11/25/2015 14:47 EST | Updated 11/25/2016 00:12 EST

Officer who killed teen on streetcar takes witness stand in his own defence

TORONTO — A Toronto police officer on trial for killing a teen on an empty streetcar is taking the stand in his own defence.

Const. James Forcillo has pleaded not guilty to second-degree murder and attempted murder in the shooting death of 18-year-old Sammy Yatim. 

The officer has been called to testify as his lawyers begin presenting their side of the case.

The jury at the trial has seen videos and heard audio of the confrontation between Forcillo and Yatim in July 2013 that ended in the teen's death.

The jury has heard that Yatim had taken the drug ecstasy at some point before boarding a streetcar on which he eventually pulled out a small knife, causing panicked passengers to rush off.

Surveillance videos have shown Forcillo arriving at the scene, pointing his gun at the teen and yelling repeatedly at Yatim to "drop the knife.''

After a standoff that lasts about 50 seconds, Forcillo officer fires nine bullets in two volleys, eight of which hit Yatim.

A U.S. use-of-force expert called by Crown prosecutors has testified that Forcillo had multiple alternatives to lethal force before he shot Yatim, but didn't use them.

Forcillo's lawyers, however, have cast doubt on the credibility of the expert, arguing the former American police chief who has helped several forces reform their operations had a "lack of practical experience."

Crown prosecutors have said they plan to prove that Forcillo's actions during the incident weren't necessary or reasonable.

Forcillo's lawyer has said his client's actions were justified and carried out in self-defence.

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Diana Mehta, The Canadian Press