The mother of the boy now sits in a Denver jail, arrested on a charge of murder, police said Tuesday.
But the effort to name the boy — now known to be 7-year-old Liam Husted — took a police sketch, DNA testing and a concerned father to make it happen.
Husted had been with his mother, Samantha Moreno Rodriguez, according to his father.
He contacted the police in San Jose, California, about the missing pair on June 1, the Las Vegas police said during a press conference Tuesday.
The father told investigators that he had not seen or heard from his son or Rodriguez since he arrived May 24 at the…