None of the devices detonated.
De Niro has been a frequent critic of Trump and used an expletive to condemn the president at the televised Tony Awards last June, receiving a standing ovation.
CBS News reported that the 56-year-old man was identified, in part, through DNA evidence. Explosive Devices Sent to Obama, Clinton, CNN, and Others: List of Trump Detractors Targeted so Far. The van also had a "CNN SUCKS" sign and a photo of Clinton with a bullseye superimposed on her face.
The packages addressed to Biden were intercepted at DE mail facilities in New Castle and Wilmington, according to a law enforcement official who, like others, wasn't authorized to discuss the investigation and spoke on condition of anonymity.
They are the 11th and 12th packages discovered this week.
The officials weren't authorized to discuss the investigation and spoke on condition of anonymity.
"These are not hoax devices", Wray said. It is possible that the private company hired to handle his mail was the one that delivered the package to his home.
The explosive devices were packed in envelopes with bubble-wrap interiors bearing six American flag stamps and the return address of Florida Rep. The package was "safely removed" from the post office, police said.
Investigators have declined to say whether the devices were built to be functional. Sayoc appears to have pleaded no contest to some offenses.
The adjudication of each of the arrests could not immediately be determined from the summary of offenses provided by the Florida Department of Law Enforcement. Prosecutors appear to have dropped charges in other matters.
Notable among them is a 2002 arrest by Miami police for an offense described in online records as a "threat to bomb" and "threaten to discharge destructive device". They show that Sayoc pleaded guilty and was sentenced to one year of probation.
"I did not", the president said.
"Alert authorities, call 911", he said on CNN.
Heat, Timberwolves re-open Butler trade talks
However, until Butler changes his mind, Tom Thibodeau and the Timberwolves have to continue to explore trade options. Butler, 29, is averaging 24.8 points, 5.3 rebounds, 3.5 assists and 3.8 steals in his first four starts this season.
Sayoc was convicted in 2014 for grand theft and misdemeanor theft of less than $300, and in 2013 for battery.
"I'm astounded about everything", Aaronson said. "I think this bomb maker is probably a one-off lunatic", Boykin said.
The packages discovered Thursday set off a new wave of alarm. Sayoc lives in Aventura, Florida, and investigators believe numerous packages were processed at a nearby mail facility.
U.S. authorities have arrested a man in connection with a series of mail bomb packages sent in the last few days, CNN is reporting.
"Stop blaming others. Look at yourself in the mirror, your inflammatory rhetoric, your insults, lies and incitement to physical violence are shameful", has tweeted on Thursday, John Brennan, the former director of the Central Intelligence Agency, virulent detractor of the president, and specifically referred to by the package, filed Wednesday in the offices of CNN in NY. Kamala Harris, D-Calif.
A building worker of the actor's Tribeca Grill and the offices of Tribeca Films notified the NYPD early Thursday morning that a suspicious package was found. Officials say the package bears similarities in appearance to the other explosives sent to prominent Democrats and others.
Booker is a potential 2020 presidential contender.
A police bomb squad and canine units joined federal investigators on Thursday to examine a sprawling United States mail distribution center at Opa-Locka, northwest of Miami, Miami-Dade County police said. It was addressed to CNN's NY office, just as one had been earlier in the week that former CIA Director John Brennan's name on it.
The packages had numerous hallmarks of suspicious mail, including large block lettering and excessive postage aimed at making it harder to track, said Matthew Doherty, who formerly led the U.S. Secret Service's National Threat Assessment Center. No postmark is visible on the front of the De Niro package, similar to some of the others, the sources said. Clapper said anyone who has criticized Trump should take extra precautions when handling their mail, adding: "This is not going to silence the administration's critics".
Earlier Friday, authorities intercepted suspicious packages intended for Sen. Wasserman Schultz is the former chairwoman of the Democratic National Committee. Debbie Wasserman Schultz (D-Fla.) as a return address.