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Americans weigh in on death penalty for Marathon bomber

Two years after the Boston Marathon bombings and days before the sentencing phase of his trial begins, 60 percent of Americans favor the death penalty for Dzhokhar Tsarnaev, while 30 percent do not.

Support for the death penalty for Tsarnaev is lower than it was for Timothy McVeigh after his conviction in 1997 (68 percent), when overall support for the death penalty in general was higher.

Most Americans support the death penalty for persons convicted of murder, but support has declined steadily since an all-time high of 78 percent was recorded by CBS News in 1988. At 56 percent, support is currently at the lowest level recorded in the CBS News Poll.

Today, fewer Americans (44 percent) think a terrorist attack in the U.S. is at least somewhat likely, compared to the number that thought so in the days following the bombing at the Boston Marathon in 2013 (66 percent).

Should Dzokhar Tsarnaev be executed?

As the U.S. marks the two year anniversary of the Boston Marathon bombings, 60 percent of Americans polled favor the death penalty for Dzhokhar Tsarnaev.

Dzhokhar Tsarnaev guilty on all 30 counts in Boston bombing 02:56

Last week, a jury convicted Tsarnaev on 30 federal charges related to the bombings and the subsequent manhunt. When asked about this particular case, 30 percent of people polled said they oppose the death penalty.

In 1997, a CBS News poll asked a similar question about Timothy McVeigh, the man convicted in the 1995 explosion at the Alfred P. Murrah Federal Building in Oklahoma City that killed 168 people.

The percentage favoring the execution of Tsarnaev is lower than it was for McVeigh, the last American citizen to be executed for an act of domestic terrorism. In June 1997, 68 percent of Americans favored the death penalty for McVeigh.

More Republicans (76 percent) favor the death penalty for Tsarnaev than Democrats (52 percent). Americans under age 30 (53 percent) are less likely than older Americans (62 percent) to think he should be sentenced to death.

Support for the death penalty

Overall support for the death penalty is lower now than it was in 1997, just before McVeigh was sentenced to death, and it has been declining slowly but steadily since peaking in the late 1980s.

How Tsarnaev's defense will handle the penalty phase 01:20

Although a majority of Americans (56 percent) favors the death penalty, this represents the lowest percentage recorded in CBS News Polls since the question was first asked in October 1988.

As has been the case previously, there are clear partisan and ideological differences in how Americans view the death penalty. Republicans overwhelming favor the death penalty, and most independents agree, while Democrats are more divided. Moderates and conservatives support the death penalty, while liberals are split.

Men (63 percent) are more likely to support the death penalty than women (50 percent), while Americans with higher levels of educations are likely to oppose the death penalty.

Views on Terrorism

Fewer Americans think a terrorist attack is in the U.S. is likely now than thought so in the days following the Boston Marathon bombing in 2013. Some 44 percent of Americans think a terrorist attack in the U.S. is at least somewhat likely in the next few months, down from 57 percent in January, and 66 percent in April 2013.

CBS News polling has found that expectations of a potential terrorist attack have sometimes risen after terror-related events. In addition to the 2013 polling after the Boston Marathon bombing, two in three Americans said a terror attack was likely in January 2010, after an individual attempted to detonate a bomb hidden in his underwear aboard an airplane. After the attacks on September 11, 2001, 88 percent thought another terrorist attack was likely.

Kansas man arrested in ISIS-inspired bomb plot 01:24

Concerns about a terrorist attack in the U.S. began to inch up last fall, amid anxieties about the militant group ISIS. Slightly more (44 percent) say a terrorist attack in the U.S. is likely now, compared to a year ago (41 percent).

Republicans (52 percent) are more inclined than Democrats (36 percent) to think an attack in the U.S. is likely.

Meanwhile, few Americans (16 percent) are very concerned about a terrorist attack occurring near where they live. People in the Northeast are more concerned about an attack in their area than those living in other regions of the country.

A majority of Americans (64 percent) has at least a fair amount of confidence in the federal government's ability to protect its citizens from a terror attack, but that figure is down slightly from April 2013, just after the bombing at the Boston Marathon. Another 36 percent have little or no confidence in the federal government on this issue.

Democrats are far more likely than Republicans to express confidence in the federal government's ability to protect its citizens from a future terror attack.

This poll was conducted by telephone April 8-12, 2015 among a random sample of 1,012 adults nationwide. Data collection was conducted on behalf of CBS News by SSRS of Media, PA. Phone numbers were dialed from samples of both standard land-line and cell phones. The error due to sampling for results based on the entire sample could be plus or minus three percentage points. The error for subgroups may be higher. Interviews were conducted in English and Spanish. This poll release conforms to the Standards of Disclosure of the National Council on Public Polls.

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