Charges dropped on DeAngelo Davis; what happens next in murder case of Collin Rose

Now that former prime suspect DeAngelo Davis has been released with murder charges dropped - what happens to the case of Sgt. Collin Rose's death?

Detroit police are out in full force pulling out all stops in the search of cop killer. Our FOX 2 cameras were rolling as officers searched cars, parking lots and people for guns and leads.

FOX 2: "What did they stop you for?"

"Nothing," said one man. "Just talking about the cop that got killed."

DeAngelo Davis, the man police nabbed hours after Wayne State police officer Collin Rose was gunned down, was cut loose from the Wayne County Jail. The murder charges against him have been dropped and police are seemingly back at square one.

The gunman is still on the loose, and now, with a two-week head start.

Former Detroit Police Chief Ralph Godbee shared insight on where the investigation may stand and how Davis being eliminated as a suspect may have hampered it.

"Has the real shooter had an opportunity to get out of the city?" Godbee asked. "Is he or she on the run?

"Any kind of degradation of evidence between now and then, discarding of the weapon, there are so many things that put the investigators at a disadvantage."

Police say they are still working around the clock to find Rose's killer. FOX 2 saw police stop at least six people in three different areas in less than an hour.

"I just saw too many cop cars out there," said one party store clerk. "I hope they will succeed. I hope they will."

FOX 2: "The gunman has been in the wind for two weeks now. How likely is it that police will find this guy?"

"I wouldn't want to put a percentage on that at all," Godbee said. "The men and women of the Detroit Police Department, as well as law enforcement in metro Detroit area, the federal resources (and) the camera infrastructure (provide) so many tools that are available now. And then somebody out there knows what happened."

There are also rewards for information - $15,000 in reward money as well as $10,000 presented by the ATF and the Detroit Dog Rescue $5,000 for information that leads to the capture of the person responsible.