LOUISVILLE, Ky. (WHAS11) -- Nearly a week after 15-year-old Trey Monroe-Royse was hit and killed on Glengarry drive, police have made a break in the case.

Jesse Monroe, the victim’s Uncle said, "It’s been an emotional roller coaster for the family obviously. My sister is devastated about this tragedy, were all devastated as a family so you know the emotions are…it’s just a roller coaster."

Monroe said he drove in from out of town as soon as he got the news.

He said details about the incident have been limited and the investigation has been moving slowly, until Wednesday night. That’s when police released new details about the SUV believed to be involved and the man who was driving it.

"It is a relief to get the information because we know now that Louisville PD is moving forward and they're able to start hopefully piecing some things together,” Monroe said.

Police said it’s a witness who helped make a break in the case.

The witness said they watched the car leave the scene on Glengarry Drive, heading toward National Turnpike. Police said the witnesses started following the SUV and chased it down the Turnpike to the Gene Snyder. The suspect said the driver turned on the freeway northbound, and then took off. Police said they witness lost sight of vehicle a few miles down the road.

Monroe said, "We would like to find the vehicle obviously, once we find the vehicle, we can trace it back to the driver."

An arrest in the case is the family's hope. They said they want the person responsible to see justice.

Police description of the car and suspect:

Dark colored Mazda CX-7, between the vehicles years 2010-2012. This vehicle will have damage to the front grill and passenger head lamp and fog lamp assembles. There will be most likely additional damage to the hood and windshield.

The driver is believed to be a white male unshaven in his mid-30s

If you have any information about this case you are urged to report it to police at 574-LMPD.