Mohammed Zazi, father of Najibullah Zazi, was convicted Friday of lying to authorities in an attempt to cover up his son's involvement in a plot to bomb the New York City subway in 2009.
Terror suspect Najibullah Zazi, arrested in September in New York explosives plot, pleaded guilty Monday and is apparently cooperating with federal officials.
New York's federal courts have seen many major terrorist trials since the early 1990s, several involving Al Qaeda-linked operatives.
The Denver driver Najibullah Zazi shopped for hydrogen and other chemicals before travelling to New York prior to the 9/11 anniversary, according to new government charges filed Thursday.
Up to a dozen others may be involved in the alleged bomb plot, officials say. Police nationwide were told Tuesday to look out for suspicious activity at subway stations and stadiums.
Two members of an alleged bomb-making operation with links to Al Qaeda, including a New York imam, were ordered held without bail Monday.