UPDATE: Two Teens Exonerated in Greenbelt Rape Case

Update, June 29, 5:25 p.m.: Charges against two Prince George's teens have been dropped because DNA tests indicate they weren't involved in a sexual assault near the Greenbelt metro in December 2011.

Sheldon Snead, 19, of Laurel and K 'Vaughn Brandon Hines, 19, of Mt. Rainier, were freed today from jail after a four-month stay, according to ABC7.

Update, Jan. 12, 6:45 p.m.: Greenbelt police have identified two other suspects and are still determining whether they played a role in the rape of the College Park woman that occurred near Greenbelt Metro on Dec. 17, 2011.

"All four have been identified. Two have been charged at this point — and the investigation is still ongoing," Lawson said on Thursday.

Original Post, Jan 12, 3:53 p.m.: The Greenbelt Police Department has arrested and charged two suspects in connection with on the 6000 block of Cherrywood Lane Dec. 17, 2011, according to Greenbelt Police.

Sheldon Snead, 18, of Laurel, and K 'Vaughn Brandon Hines, 18, of Mt. Rainier, were each charged with one count of first-degree rape, second- degree rape, first-degree sexual offense, second-degree sexual offense, first-degree assault and second-degree assault, police stated.

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Multiple suspects sexually assaulted the College Park resident in the early morning hours when she proceeded to walk down Cherrywood Lane after she had gotten off the Metro, according to earlier police reports. She also received serious face injuries Capt. Thomas Kemp with the Greenbelt police reported.

Both Snead and Hines are being held without bond at the Department of Corrections in Upper Marlboro, according to police.