She says her grandson disappeared four months ago.
Lucas Prassas' grandmother says he suffers from many issues including autism, depression and he's bi-polar.
She said he just got out of the hospital about a week before he disappeared.
Prassas went missing November 29th without his medication, money or clothes.
Even with no signs of violence, family members feel something is very wrong.
If you can help, call the Wynne Police Department.