By Richard Valdmanis
BOSTON (Reuters) - Prosecutors charged two U.S. men on Friday for plotting to help the Islamic State militant group by beheading Americans, after an investigation that led law enforcement officers to shoot a suspect dead last week in Boston.
The case follows a handful of so-called "lone wolf" attacks in the United States and Canada since last year by people whom authorities said were inspired by Islamic State, which controls parts of Syria and Iraq and has vowed attacks on the West.
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The men, Nicholas Rovinski, 24, of Rhode Island, and David Wright, 25, of Massachusetts, are accused of making plans with Wright's uncle, Usaamah Abdullah Rahim, to kill the organizer of a Mohammad cartoon exhibit in Texas in May, and later to target Massachusetts police, a U.S. Department of Justice statement said.
Prosecutors said that in late May, Wright, Rovinski and Rahim "conspired to commit attacks and kill persons inside the United States, which they believed would support ISIL’s objectives," using an alternative acronym for the group.
Police shot Rahim, 26, dead last Tuesday when FBI agents and a Boston police officer approached him in a parking lot to question him. Authorities said Rahim threatened the law enforcement officers with a knife.
Prosecutors said the three men initially wanted to behead New York resident Pamela Geller, who had organized the Texas event highlighting cartoons of the Prophet Mohammad, images that many Muslims consider blasphemous. Two gunmen had attacked that event, and were shot dead by police.
Prosecutors said Rahim later called Wright to say he had revised his plan and instead intended to attack "those boys in blue", by which he meant Massachusetts police officers.
"Wright urged him to first wipe his laptop computer and to destroy his phone so that they could not be searched by law enforcement, and urged him to make a will," according to the Justice Department statement.
Rovinsky and Wright are charged with conspiracy to provide material support to Islamic State, an offence that carries a maximum prison sentence of 15 years.
Rovinski, who is also known as Amriki aka Nuh al Andalusi, appeared in Boston federal court on Friday. A shackled Rovinski nodded and said "yes" when a judge asked if he understood the charges. The judge ordered him jailed until a bail hearing next week.
Wright, also known as Dawud Sharif Abdul Khaliq, has been in custody since last week on a charge of obstruction of justice. He is scheduled to appear in court on June 19.
(Reporting by Richard Valdmanis; Editing by Andrew Hay and Grant McCool)