Washington, D.C. — A total of 501 juveniles have been reported missing in D.C. since the beginning of the year. This startling number has forced the hands of several officials who've written a letter to call on special help from the Justice Department in investigating the matter.

The letter, obtained by the Associated Press, asked FBI Director James Comey and Attorney General Jeff Sessions to "devote the resources necessary to determine whether these developments are an anomaly or whether they are indicative of an underlying trend that must be addressed." It was signed by Congressional Black Caucus Chairman Cedric Richmond (D-La) and Del. Eleanor Holmes Norton, who represents D.C. in Congress.

"Ten children of color went missing in our nation's capital in a period of two weeks and at first garnered very little media attention. That's deeply disturbing," Richmond's letter said.

As the AP reports, the District of Columbia logged 501 cases of missing juveniles, many of them black or Latino, in the first three months of this year, according to the Metropolitan Police Department, the city's police force. Twenty-two were unsolved as of March 22, police said.