A majority of Americans say the former government contractor who leaked information about a vast US electronic surveillance program should be prosecuted, a poll showed on Tuesday.
The USA Today/Pew Research Center poll taken Wednesday through Sunday found 54% in favor of prosecuting Edward Snowden, the former contractor for the National Security Agency.
Some 38% in the poll said Snowden should not be prosecuted.
The survey also found that a similar majority, 53-41%, agreed with US government officials who said the programs have helped prevent terrorist attacks.
But the poll respondents were divided on the question of whether they approve of the programs, believed to include wide-ranging electronic surveillance of emails, other electronic messages and phone calls.
It found 48% approved, and 47% disapproved of the program. By a margin of 49-44%, they said the release of classified information serves rather than harms the public interest.
"The more people learn about this, it could affect their final judgment on whether the government was right or wrong to do what it's been doing," said Michael Dimmock, director of the Pew Research Center for the People and the Press.
"What I think you're seeing in a lot of the surveys is that the public isn't particularly happy about this program, particularly in the realm of civil liberties and privacy, but a lot of people are willing to give the government a certain amount of leeway in fighting against terrorism."
The telephone survey of 1,512 adults had a margin of error of 2.9% points.
President Barack Obama defended secret US security programs in an interview that aired on Monday, and rejected comparisons with former US president George W Bush.