Update 2: MCP has put out an updated release, including a photograph of the victim [photo via Connected Communities]:

1/23/2009

Update: Police Seek Help for Gaithersburg Homicide / Release Photograph of Victim

Detectives from the Montgomery County Police Major Crimes Division – Homicide/Sex Section continue to investigate the death of 15-year-old Dennis Alfredo Guzman-Saenz, of the 8100 block of 14th Avenue in Hyattsville, Maryland. His body was found Monday morning, January 19, 2009, at the edge of a stream in the Malcolm King Park located at the end of School Drive in Gaithersburg.

Guzman-Saenz lived and attended high school in Prince George’s County. Detectives have confirmed that he was in Langley Park Sunday, January 18, at approximately 7:30 p.m. They are releasing his photograph and asking anyone who saw Guzman-Saenz on Sunday evening or the morning of Monday, January 19 to call them. They are also asking for any information about a loud party that may have taken place late Sunday night into Monday morning in a townhouse on Prairie Rose Lane or Apple Seed Lane in Gaithersburg.

Guzman-Saenz is described as a Hispanic male, 5’9’ tall, weighing 130 pounds, with short dark hair. He was found wearing a black winter jacket and dark blue jeans. At this stage of the investigation it is not known where and when the fatal assault occurred.

On the morning of January 19, 2009, at approximately 7:30 a.m., a man collecting trash in Malcolm King Park saw a body and called police. Responding officers found the unidentified deceased male with stab (sharp force) wounds to his body. The Medical Examiner ruled the manner of death homicide and the cause of death sharp force injuries.

Anyone who has information about the circumstances of Guzman-Saenz’ death and/or saw him between January 19 and January 20, is asked to call Homicide detectives at 240-773-5070. Callers may remain anonymous.

Update: MCP put out a press release on this, obtained via Connected Communities:

Victim Identified in Gaithersburg Homicide

Detectives from the Montgomery County Police Major Crimes Division – Homicide/Sex Section continue to investigate the death of a man whose body was found on Monday, January 19, 2009, at the edge of a stream in the Malcolm King Park located at the end of School Drive in Gaithersburg.

The victim has been identified as Dennis Alfredo Guzman-Saenz, 15 years old, of the 8100 block of 14th Avenue, Hyattsville, Maryland.

On the morning of January 19, 2009, at approximately 7:30 a.m., a man collecting trash in the area saw a body and police were called. Responding officers found the unidentified deceased male with stab wounds to his body. The death is being investigated as a homicide. At this stage of the investigation it is not known where and when the initial assault occurred.

Anyone who has information about the circumstances of his death is asked to call Homicide detectives at 240-773-5070. Callers may remain anonymous.

Regarding the body found in Malcom King Park, Patricia M. Murret reports:

The body found Monday in Gaithersburg has been identified as a Langley Park teenager, according to police.

Dennis Alfredo Guzman-Saenz, 15, of the 8100 block of 14th Avenue, was found with multiple stab wounds at the edge of a stream in Malcolm King Park on School Drive, according to Montgomery County Police. He was a student at High Point High School in Beltsville, said Officer Melanie Brenner, a police spokeswoman.