>> See a photo of Vence here
Vence told police that he briefly regained consciousness in the back of the truck, saw the men and children, then blacked out again until 6 p.m. Saturday, the Chronicle reported. The men then left Vence and Kourtland near a highway in Sugar Land before fleeing with Maleah, Vence said.
Vence said he and his son walked along Highway 6 seeking help until they finally reached a hospital after 10 p.m. Saturday. He reported the incident to authorities, who issued an Amber Alert for Maleah on Sunday morning.
>> See more photos of Maleah here
>> Read more trending news
Maleah, who is black, stands about 3 feet tall, weighs 30 to 40 pounds, and has black hair and brown eyes, police said. At the time of her disappearance, she was wearing a pink hair bow, a light blue jacket and blue jeans with gray, white and pink sneakers, authorities said. Officials initially said Maleah was 5 years old, but they issued a correction Monday saying she is 4.
Maleah recently had brain surgery, police said.
Authorities also said the vehicle Vence had been driving, a 2011 Nissan Altima that belongs to Maleah's mother, is missing. The silver car has temporary tag number 330-92G9.
>> See the images here
Vence is not considered a suspect in the case, police said.
If you have information about the case, please call 713-308-3600 or 713-222-TIPS.