LAS VEGAS — U.S. officials say a former Bosnian Serb police commander who had a leading role in the 1995 massacre in Srebrenica (sreh-breh-NEET-sah) has been deported back to his native country.

Federal Immigration and Customs Enforcement spokeswoman Lori Haley says Dejan Radojkovic (DAY-jahn rahd-OSH-koh-vik) arrived Thursday in Sarajevo, Bosnia-Herzegovina, aboard a commercial airline flight from Las Vegas.

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The immigration and customs official says Radojkovic was accompanied by U.S. immigration agents who turned him over to Bosnia-Herzegovina law enforcement officials.

Investigators say the 61-year-old Radojkovic moved to the United States in 1999 and lived in Las Vegas, where he was arrested in 2009.

Prosecutors in Bosnia-Herzegovina say Radojkovic led a police brigade that rounded up about 200 Bosnian Muslim men for execution after Bosnian Serb forces overran United Nations peacekeepers in Srebrenica.