Missing: John Morris of Dickerson, Md. May be a Victim of Homicide, Say Police

NEW YORK (CBS) In July 2007, John J. Morris, Jr. mysteriously went missing. Since that day, police have been investigating, but have yet to have any successful leads on Morris' whereabouts. His mother and father are asking for help to find out what happened to their son.

PICTURES: Missing John Morris Jr.

Police consider foul play a possibility; they believe Morris could be a victim of homicide.

Madeline Morris, his 69-year-old mother who's in a wheelchair, and John Morris his 76-year-old father who has Parkinson's disease, said they know they won't be around forever and would like to know what happened to their son before they go.

In July 2007, Morris' 14-year relationship with an older man ended. Morris was last seen at his residence in rural Dickerson, MD on July 30, 2007. He has a medical condition, which requires medication. He has ADHD and may be bipolar.

His mother said in a statement that he is an animal lover and may have taken a stray as company. She states he is a warm loving person and a talented artist.

Morris would be 41-years-old now. He has two tattoos: one of a snake on his right forearm and another of a scorpion on his left shoulder. Officials are asking anyone with information to please contact them immediately.

If you have information about the whereabouts of John Morris, Jr. please call Detective Stephens in the Montgomery County 5th District Investigative Section at 240-773-6239.

MEDIAPICTURES: Missing John Morris Jr.