text: The search continues for Phylicia Simone Barnes, a star high school student from North Carolina who went missing in Baltimore last week. The 16-year-old honor student from Monroe, N.C., was visiting her half-sister when she disappeared three days after Christmas. 
   
   Phylicia was last heard from Dec.28 via Facebook when she posted a note saying she was at her sister's apartment with her sister's boyfriend. The 5 foot 8 inch straight-A, African-American student has been missing ever since. 
   
   "I was going to turn this city upside down to find my child, and I was going to leave no stone unturned," Russell Barnes, Phylicia's father, told ABC News. 
   
   The FBI and Baltimore police are conducting the investigation. Baltimore Metro Crime Stoppers has offered a cash reward of up to $2,000 for her discovery. 
   
   Police told ABC News today that they obtained additional security video from the area surrounding the apartment, but it has yet to shed new light on the case. FBI helicopters have scoured the area for three days without finding any clues. 
   
   "If there's any good news, we haven't found anything yet," Baltimore Police spokesman Anthony Guglielmi said. 
   
   "We've thrown every single tool, trick, machine, widget that we have in our law enforcement toolbox. And ten days later we still have nothing." 
   
   Police say several people who visited the apartment are considered persons of interest, and the two likely scenarios proposed by investigators are abduction or murder. 
   
   "At this point, you hope it's an abduction," Guglielmi said. 
   
   Janice Sallis, Phylicia's mother, said, "If she's alive, she's scared to death." 
   
   "Our goal is to find our sweet beautiful sister, daughter, niece, friend - that's what she is to everyone," said Phylicia's father, Russell Barnes. 
   
   Aside from Baltimore and her hometown near Charlotte, N.C., Phylicia's disappearance has garnered little media attention, raising the issue of a double-standard because of her race. 
   
   "I can't see how this case is any different from Natalee Holloway," Guglielmi said. "Is it because she's African-American? Why?" 
   
   Question of Double-Standard Arises 
   
   The dissappearance of Alabama teen Natalee Holloway while on vacation in Aruba nearly six years ago sparked a media frenzy. But news coverage has been relatively sparse in Phylicia's case. 
   
   Speaking about the lack of national media coverage, the Baltimore Police spokesman said, "Birds are falling out of the sky in Arkansas and two headed calves, and this girl may lose her life." 
   
   The Baltimore Mayor's office says it shares the concern about the possible existence of a double-standard in the coverage of Phylicia's disappearance but is more distressed about the case because of its heartbreaking nature. 
   
   "You see other cases that get attention, other kids that go missing and its immediately up on television and you know, I know there's frustration," said Mayor Stephanie Rawlings-Blake. 
   
   Nearly 9,000 people have joined a Facebook page called, "Pray for Phylicia Barnes." The charter school Phylicia attends in North Carolina, Union Academy, held a vigil for the promising student. 
   
   "Just so scared, just praying that she's going to turn up and she'll be safe and sound," Lindsey Helms, a student at Union Academy, said. 
   
   Her father said, "Phylicia had a bright spirit and just a glow about herself. Our greatest hope is that she can walk in the door and ... be reunited with her family." ||||| Baltimore Police Department 
   
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   Authorities in Maryland are stepping up efforts to locate Phylicia Barnes , a 16-year-old North Carolina girl who disappeared while visiting relatives in Baltimore . But a local police official said the national media need to take note of the case."We are doing everything we can," Baltimore police spokesman Anthony Guglielmi told AOL News, noting that more than 35 detectives are working on the case, as well as two teams from the FBI."We would really like the national outlets to help us out here, so if somebody sees her in Missouri, they are able to alert authorities quickly," Guglielmi continued. "It has been incredibly frustrating for me. We've been pitching this since the 29th [and] have not gotten any traction. This case is no different than the Natalee Holloway case. The only difference is Phylicia is from North Carolina, she went missing in Baltimore and she is African-American."Guglielmi added, "I just think if we could get America just to see her picture -- that is all we are asking -- maybe that will lead detectives to a break and save this young lady's life."Phylicia lives in Monroe, N.C., but was visiting relatives in Baltimore. She was last seen around 2:30 p.m. on Dec. 28, when she left the apartment of her 27-year-old half-sister, Deena Barnes . According to relatives, Phylicia told her sister she was going shopping.What happened to the teenager next remains a mystery, police said."Time is working against us," Guglielmi said. "She has been missing 10 days. ... This is not a runaway. We suspect some type of foul play. The question is, What kind of foul play?"Investigators are preparing to examine video footage and process additional search warrants in the case, police said."We got some new footage [from] an apartment complex in the area, so we are reviewing that," Guglielmi said. "We are continuing interrogations, [and] we have a couple more search warrants and things to process."Family members have described Phylicia as a straight-A student who was to graduate early from Union Academy in Monroe and planned to go to Towson University in Maryland. Her father, Russell Barnes, has said it is out of character for her to take off without notifying someone.There has been no activity on any of Phylicia's social-networking accounts, and police say her cell phone has been turned off since the day of her disappearance.Authorities are looking at two possible scenarios in the case, Guglielmi said. The first is that someone in the Baltimore area did "something terrible to her." The second is that she was abducted and taken elsewhere, he said.Anyone who had contact with Phylicia in the hours leading up to her disappearance is considered a person of interest, police said. According to Guglielmi, Phylicia's half-sister's lifestyle makes the potential suspect pool large and difficult to narrow down."[Phylicia's] sister is college-age, and she had a lot of friends coming in and out," he said. "I would describe it probably like a dorm room setting. They party, maybe do a little drinking, [but] there is no activity there that concerned us -- no illicit drug use or sex parties or anything ridiculous. She was just a young lady with a lot of friends, [and] that makes our job difficult."Authorities have conducted interviews with all of the individuals whom they know were present at the apartment on the day Phylicia went missing. They are now interviewing those individuals again to see if their stories are consistent, police said.Investigators have also served a search warrant at the half-sister's apartment. Items of interest have since been sent to the FBI lab in Quantico, Va."We have taken out pieces of bedding and pieces of flooring, but we haven't gotten any smoking gun in terms of the case," Guglielmi said. "A couple more evidentiary things have to be processed, but it is a bit frustrating for detectives because usually you are guided by some kind of physical evidence, and in this case, so far we haven't been able to find anything."The FBI's Baltimore branch confirmed to AOL News that it is assisting in the investigation."We have a unit here in Baltimore called the Crimes Against Children Unit, which is assisting the Baltimore police homicide unit in trying to locate Ms. Barnes," Special Agent Rich Wolf said.Wolf declined to comment on any specifics about the case and directed questions back to the police department.In the past week, authorities have conducted multiple searches for Phylicia in and around the area of the apartment complex where she was last seen, but so far nothing of interest has been found. Authorities are now hoping that billboards donated by Clear Channel Communications might help bring some new leads in the case. The billboards, which display Phylicia's photo and vital information, are being put up along Interstate 95 from Baltimore to New York City, police said.Authorities have set up a special tip line. Anyone with information on Phylicia's disappearance should call 855-223-0033. The FBI has also posted her vital information and photo on its website
target: – She's a beautiful, straight-A high school student who's vanished from a big American city, triggering a massive police hunt joined by the FBI. And yet the case of 16-year-old Phylicia Barnes has been slow to percolate to the national radar, complains a Baltimore police spokesman. "I can't see how this case is any different from Natalee Holloway," he said. "Is it because she's African-American? Why?" Authorities are looking for all the help they can get in locating Barnes, a North Carolina resident who disappeared while visiting her college-aged sister in Baltimore on Dec. 28, reports ABC News. She left the apartment, apparently to go shopping, and hasn't been seen since. "At this point, you hope it's an abduction," said the police spokesman. Added her mother: "If she's alive, she's scared to death." Click for more on the case.