Sister Jacqueline Walsh, 59, was killed in Water Mill by...

Sister Jacqueline Walsh, 59, was killed in Water Mill by a hit-and-run driver, police say. Mourners gathered for a service that drew hundreds of people to St. Edward Confessor Church in Syosset. (July 10, 2012) Credit: Handout ; Danielle Finkelstein

The brother of the fugitive suspected in the hit-and-run death of a nun in Water Mill has been arrested and charged with lying to federal investigators, officials said Tuesday.

Miguel Ixpec-Chitay was arrested on a felony false-statements charge for telling an Immigration and Customs Enforcement officer he had not been in contact with the suspect, authorities said.

A criminal complaint alleges Ixpec-Chitay told authorities on July 13 he had "not called or received a call" from his brother for weeks. But records show 19 phone calls between him and his brother on July 9-10, according to the complaint filed Thursday.

Carlos Armando Ixpec-Chitay, 30, is accused of driving a car that struck and killed Sister Jacqueline Walsh on July 9. The suspect, a Guatemalan national, fled New York and is still being sought by authorities.

The car driven by Carlos Ixpec-Chitay, a 2009 Volkswagen Touareg belonging to his employer, Andrew Zaro, was found abandoned with front end damage about a half-mile from Walsh's body.

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