Pipe bombs were sent to a number of prominent Democrats, including former President Barack Obama and former Secretary of State Hillary Clinton, sparking an intense investigation on Wednesday into whether a bomber is going after people who have often been the subject of right-wing ire.
CNN received a similar bomb, addressed to Mr. Obama’s C.I.A. director John Brennan, touching off a mass evacuation of the Time Warner Center in Midtown Manhattan, where the network is located.
A law enforcement official said the devices were similar to one found Monday at the home of George Soros, the billionaire philanthropist and liberal donor.
None of the devices harmed anyone. Law enforcement officials said they were investigating whether all the devices were sent by the same person or persons.
Mrs. Clinton, Mr. Obama, Mr. Soros and CNN have all figured prominently in conservative political attacks — many of which have been led by President Trump. He has often referred to major news organizations as “the enemy of the people,” and has had a particular animus for CNN.
Targets of Explosive Devices
An explosive device was found on Monday in a mailbox at the home of George Soros. On Wednesday, similar devices were found in mail addressed to Hillary Clinton’s home, Barack Obama’s office and CNN’s New York offices.
The device sent to CNN was in a manila envelope addressed to Mr. Brennan, a harsh critic of Mr. Trump. The president revoked Mr. Brennan’s security clearance in what was seen as an act of retribution.
The envelope’s return address bore the name of Debbie Wasserman Schultz, a Florida congresswoman and a former Democratic National Committee chairwoman, according to a person who saw a photograph of the envelope. The device sent to Mr. Soros was in a similar envelope also with a printed return address label with her name.
A fifth device apparently intended for the man who served as Mr. Obama’s attorney general, Eric H. Holder Jr., was misaddressed and because Ms. Wasserman Schultz’s name was on the return address, it was ultimately delivered to her district office in Florida, a law enforcement official said.
Another package addressed to another Democrat, Representative Maxine Waters of California, was intercepted at a Congressional mail facility, she said in a statement. In recent months, Ms. Waters has been a frequent target of Mr. Trump.
The bomb sent to CNN’s offices was delivered by courier, though it had half-a-dozen first class postage stamps on it, a law enforcement official said. Investigators believe the bomb sent to Mr. Soros’s home was dropped off in his mailbox.