Just before 5 p.m., Rocky alerted law enforcement sweeping the area to the dumpster, said Houston Police Chief Noe Diaz. When officers opened it up, Rocky jumped inside and found Davis hiding under "tons" of trash, said Diaz.

An officer was hospitalized and police were searching for one person after a shooting Thursday morning in southwest Houston, officials said. Officials with the Houston Police Department provided limited details about the shooting on Twitter, saying preliminary information was that someone had shot an officer from another agency and fled on foot.

The officer who died was identified as Jesus Vargas, a 17-year veteran of the Brazoria County Sheriff's Office. Police later killed the suspected shooter, 56-year-old Robert Davis III, after an hours-long manhunt.

A Blue Alert has been issued after law enforcement initiated a manhunt for a man they believe was involved in the death of a Brazoria County deputy

A DPS helicopter rushed federal K-9 officer Rocky to the Westbury Animal Hospital after he led authorities to a murder suspect who was hiding in a dumpster. Investigators say the dog's action saved many lives.

During the chaos, law enforcement officers carried the US Marshals K9 to a Texas DPS helicopter so that it could be rushed to a veterinary hospital for treatment.