Police Officers Testify in George Zimmerman Trial

The lead detective in the investigation of the fatal shooting of 17-year-old Trayvon Martin has testified in George Zimmerman's murder trial.

Jurors on Monday heard testimony from Officer Chris Serino and a recording of his interview of Zimmerman.

Serino pointedly asked Zimmerman in the interview whether the teenager could have felt threatened by Zimmerman following him before their confrontation.

Earlier in the day, the first officer to interview Zimmerman at the police station testified.

Officer Doris Singleton said it didn't appear that Zimmerman showed any anger when talking about the teen.

Prosecutors must show that Zimmerman acted with ill will or a depraved mind in order to get a second- degree murder conviction.

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