Washington, DC – The family of Sayfollah Musallet, a 20-year-old United States citizen from Florida who was beaten to death by Israeli settlers in the occupied West Bank, is calling on Washington to launch its own probe into the incident and to hold the perpetrators accountable.

Amid the uncertainty and potential changes in the naturalization process to be a U.S. citizen, here are five things to know.

On the Fourth of July, beneath a sun that seemed to soften just in time for the ceremony, one hundred immigrants reminded the crowd of the enduring allure of American citizenship as they swore their allegiance to the United States.

Birthright citizenship is specified by the 14th Amendment to the U.S. Constitution-"All persons born or naturalized in the United States"-and interpreted plainly by 150 years of Supreme Court precedent.