More than 20 years after her death, "Baby Hope" finally has a name: Anjelica Castillo.  Multiple reports have confirmed the identity of "Baby Hope," but many questions still remain about the case.

"That opens up a whole new direction of the investigation and there are numerous things that have to be done Joseph A. Pollini, a retired lieutenant who commanded the Police Department's cold case squad from 1996 to 2002, told the New York Times.  "Now they're much more focused. The fact that they have an identification of the baby, they know who the mother is, they know who the father is. They'll do interviews with the relatives, look back at records to see if there were any records of abuse filed."

According to CNN, authorities are searching for Anjelica's father for question about the 1991 case.  The man has not been confirmed as a suspect.

"He is someone we definitely have to talk to," NYPD Assistant Chief Joe Reznick told CNN.  "But can we arrest him for this right now? The answer is no, definitely not."

The "Baby Hope" case investigators caught a break with a tip from a woman believed to the sister of Anjelica's mother.  A DNA test confirmed the mother was Anjelica's mother.  This past summer, NYPD appealed to the public to come forward with any information they know about the Washington Height's crime.

For Pollini, the time that has passed since the discovery of Anjelica's body does not mean it will be more difficult to get justice for "Baby Hope." 

"People think that time works against you, and that's true in terms of the preservation of the evidence," he said. "But sometimes, as time goes by, people come forward. They've been holding it back for years and years and years and they get to release it."

Authorities have not confirmed the location of Anjelica's father, who is believed to be in Mexico, according to CBS News.

"Baby Hope" was believed to be 3 to 5 years old when she was killed.  According to police officials, the girl was smothered and showed signs of sexual abuse.  Her body was found in a cooler near the Henry Hudson Parkway in Upper Manhattan. 

EDITOR'S NOTE: This article erroneously stated "Baby Hope's" name was Angelica Ramirez.  Her name was Anjelica Castillo and has be corrected in the article.