UPDATE: Sept. 13, 11:34 a.m. -- The Associated Press has identified Californian Nakoula Basseley Nakoula as the man behind the anti-Muslim film that's been the target of protests across the Middle East. The AP says its source for the information is an official in U.S. law enforcement who "spoke on condition of anonymity because he was not authorized to discuss an ongoing investigation."

In earlier interviews, Nakoula said he was the manager of the company that made the film but did not say he was the actual filmmaker. He identified himself as a Coptic Christian and said that the film's director supported concerns about the treatment of the Copts by Muslims.

He also denied posing as Sam Bacile, the mysterious man whom initial reports on Tuesday quoted and identified as an Israeli Jewish filmmaker, but AP reports that telephone numbers for Bacile and Nakoula trace to the same address. Questions remain as to why Bacile, who was interviewed by the AP and the Wall Street Journal, said he was an Israeli Jew.

The day following an attack on the U.S. consulate in Benghazi that killed the U.S. Ambassador to Libya J. Christopher Stevens and three other Americans, news reports have focused on a 14-minute trailer for an obscure anti-Muslim film that mocks the Prophet Muhammad and was the target of protests outside the consulate before it was raided.

U.S. officials have told news outlets that the attackers may have planned the killings in advance, using the the protest over the video as a diversion. But questions have continued over the film, titled "Innocence of Muslims," that spread via YouTube and Middle Eastern media ahead of the attacks and depicts the Islamic prophet as a womanizer, a pedophile and a homosexual, among other characterizations.

Some questions about the movie, the shabby trailer for which was deconstructed by reporters on Wednesday, have been answered. Actors from the film claim they had no idea they were participating in an anti-Muslim movie and thought it was about life in Egypt 2,000 years ago. They also said that their voices had been dubbed over. Indeed, the video's audio track indicates that there was dubbing.

But it's still unclear who made the film -- and questions have lingered around the filmmaker's religion. While news reports have said he is Jewish, evangelical or hinted at him possibly being Coptic Christian or Muslim, the truth about who made the film and that person's religious background is still a mystery.

Initial reports from the Associated Press and the Wall Street Journal named the filmmaker as Sam Bacile, identified as a Israeli Jewish real estate developer based in California. "Islam is a cancer," the AP quoted him saying.

But later, news outlets reported they could not find any public records for Bacile in California and there was no history of him as a filmmaker.

The search for anyone behind the film did lead the Associated Press to interview a California man named Nakoula Basseley Nakoula, who said he was manager of the company that produced "Innocence of Muslims." Nakoula, a Coptic Christian, was previously convicted of financial crimes and court papers showed Nakoula's aliases included Nicola Bacily and Erwin Salameh, among others.

From the AP:

Nakoula denied he directed the film and said he knew the self-described filmmaker, Sam Bacile. But the cellphone number that AP contacted Tuesday to reach the filmmaker who identified himself as Sam Bacile traced to the same address near Los Angeles where AP found Nakoula.

Israeli authorities also told reporters that they had no record of Bacile. The Atlantic quoted a Christian anti-Muslim activist, Steve Klein, who said he was a consultant on the film and claimed Bacile was a pseudonym. He also said Bacile was not Israeli or Jewish.

"Nobody is anything but an active American citizen. They're from Syria, Turkey, Pakistan, they're some that are from Egypt. Some are Copts but the vast majority are evangelical," Klein told The Atlantic, describing the 15 people he estimated to have been involved in producing the film.

Some in the Jewish media breathed a sigh of relief.

"So we're not to blame after all," tweeted Jane Eisner, editor of The Forward, a popular New York-based Jewish newspaper. The initial Muslim-Jewish conflict narrative "served to set up the dichotomy between good and evil, between Israel, on the one hand, and the Islam on the other," Adina Holtzman, assistant director of research at the Anti-Defamation League, told the paper.

Adding another twist to the story, Gawker interviewed an actress from the film, Cindy Lee Garcia, who said Bacile was an Egyptian. According to the article, Garcia said "Bacile had white hair and spoke Arabic to a number of 'dark-skinned' men who hung around the set." The filming occurred last July, and Garcia was involved for three days.

Most Egyptians are Muslim, but the country has a significant Christian minority, the Copts, who have endured a history of persecution. One Copt, Morris Sadek, has taken credit for uploading the film online and translating it to Arabic for Middle Eastern viewers.

Sadek, who lives in the United States and leads the U.S.-based National Coptic Assembly, said in an interview with Reuters that he supported the film because it included a scene about persecution of Copts and that he did not think it was offensive to Islam.

Protests over the film have also broken out in Cairo, where demonstrators jumped over the wall of the U.S. Embassy and tore down the American flag.

But was "Innocence of Muslims" created by a Jew, an evangelical, a Muslim, a Copt or a person of another faith?

Right now, nobody knows.

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  • A burnt out vehicle sits smoldering in flames after it was set on fire inside the US consulate compound in Benghazi, late on September 11, 2012. (STR/AFP/GettyImages)

  • A broken window after an attack on the U.S. Consulate by protesters in Benghazi, Libya, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • The U.S. Consulate after an attack by protesters in Benghazi, Libya, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • A burnt car is seen after an attack on the U.S. Consulate by protesters in Benghazi, Libya, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • Soot and debris spills out of the U.S. Consulate after an attack by protesters in Benghazi, Libya, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • A man looks at documents at the U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Wednesday, Sept. 12, 2012. The graffiti reads, "no God but God," " God is great," and "Muhammad is the Prophet." (AP Photo/Ibrahim Alaguri)

  • A man walks on the grounds of the U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • Glass, debris and overturned furniture are strewn inside a room in the gutted U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • A man walks through a room in the gutted U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • Libyans walk on the grounds of the U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • Libyans walk on the grounds of the gutted U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

  • A vehicle and the surrounding area are engulfed in flames after it was set on fire inside the US consulate compound in Benghazi, late on September 11, 2012. (STR/AFP/GettyImages)

  • An armed man waves his rifle as buildings and cars are engulfed in flames after being set on fire inside the US consulate compound in Benghazi, late on September 11, 2012. (STR/AFP/GettyImages)

  • A vehicle burns after it was set on fire inside the US consulate compound in Benghazi late on September 11, 2012. (STR/AFP/GettyImages)

  • A vehicle sits smoldering in flames after being set on fire inside the US consulate compound in Benghazi late on September 11, 2012. (STR/AFP/GettyImages)

  • A vehicle and surrounding buildings smolder after they were set on fire inside the US consulate compound in Benghazi, late on September 11, 2012. (STR/AFP/GettyImages)

  • LIBYA CONSULATE

    Map locates Benghazi, Libya, where the U.S. ambassador to Libya and three other Americans were killed in an attack