The court cleared the Egyptian man on a separate charge of cross-dressing.
The move suggests ISIS is planning further attacks against Christians in the North African country.
Pope Francis hopes to improve Christian-Muslim ties following a wave of attacks on the country's Coptic minority.
Authoritarian regimes clamped down to cling to power, from Assad in Syria to Saddam in Iraq.
Patriarchal attitudes persist not because Islam is incompatible with gender equality, but because progressive forces have been undermined by various regimes.
Pope Francis is expected to address the International Peace Conference in Cairo at the end of April.
Many are leaving the region, fearful of persecution.
Twin suicide bombings at Egyptian churches were only the latest tragedies for a community that has long been made scapegoats in a battle between the government and Islamist groups.
The Trump administration is downgrading human rights issues, from Egypt to Yemen to Bahrain and beyond.
ISIS claimed responsibility for a rocket fired from the Sinai on Monday.
A Vatican official said Egypt has promised to do all it can to protect the leader of the Catholic world.
The president announced a three-month state of emergency after two bomb blasts on Coptic churches killed 49.
No group has yet claimed responsibility but the Islamic State has stepped up attacks against Christians in Egypt.
Trump has expressed his admiration for brutal strongmen like el-Sissi, Putin and Duterte.
With Obama in the rearview, here's what to expect from Abdel Fattah el-Sissi's trip to the White House.
Greenblatt, an Orthodox Jew, turns out to be the consummate negotiator.
Footage reportedly shows two elderly men, believed to be Sufi Muslims, being led to their deaths in the Sinai desert.
Mubarak was the first leader to face trial after the Arab Spring uprisings.
Egypt's ballooning birth rate and severe food and water shortage could threaten its national security.
The antiquities minister said the relics may instead be of a seventh century B.C. pharaoh called Psamtek I.
The relics were found in a muddy pit between dilapidated apartment blocks.