KUSA — On Friday 9NEWS and Metro Denver Crime Stoppers are highlighting some of the more high-profile killings that remain unsolved.
These cases are just a few of many around the Metro Area that investigators hope can be solved with a tip from the public.
SEAN MAY
Sean May, an Adams County prosecutor, was killed on August 27, 2008. This year will mark ten years since his death.
He was killed outside of his home as he returned home from work
JAIME VILLARREAL JR.
Jaime Villarreal Jr., a father of two young children, was killed on March 18, 2016.
There is a surviving witness to the crime and very grainy video surveillance of the suspects. A sketch artist put together a portrait of one of them.
In this case, the reward is $3,000.
KASHMIER LUJAN-TAYLOR
Kashmier Lujan-Taylor, 15, was shot and killed on May 3, 2017, while she slept inside her home with her family.
The shooting happened around 3:15 a.m. and when four children and two adults were inside sleeping. Multiple bullets pierced the front wall, door and window.
Family members have put additional money toward the reward bringing the total to $3,000.
RAE LYNN GONZALES AND FABIAN GONZALES
Fabian was only 18-months-old when he and his grandmother Rae Lynn were stabbed to death inside their Adams County apartment near West 66th Place and Federal Boulevard.
Investigators believe they were killed sometime between 4:30 p.m. and 8 p.m. on January 3, 2014.
KELLY ACOSTA
Kelly Acosta, 29, was shot and killed in the early morning hours of February 18, 2017, near Hampden and Chambers in Aurora. Investigators say Acosta was a Good Samaritan who was killed while he attempted to intervene in an assault.
The reward for information in the case totals $40,000. A memorial fund for Acosta established by his family and friends contributed $15,000. The Aurora Police Department Reward fund and ATF both added $5,000, while the Crime Stoppers reward adds an extra $2,000.
TRAVIS MASON
Travis Mason, a Marine, and young father was shot and killed on June 18, 2016 while working as a security guard at a marijuana dispensary in Aurora.
Mason, 24, was killed when at least two people stormed into the Green Heart Dispensary at around 9:45 p.m. on June 18.
Don Hicks, owner of Shortline Subaru in Aurora, and several other dealerships across the metro area contributed the biggest chunk of money toward the reward, $32,000. It now totals $55,000.
SANDRA MEZA
Sandra Meza was killed on May 8. 2014. The Jefferson County Sheriff's Office says she had been stabbed multiple times and then dumped on Lookout Mountain.
IJAH HAMILTON
Ijah Hamilton, 17, was shot and killed on November 17, 2017, while sitting in his car at a stop sign in Denver's Park Hill neighborhood.
Police say the teen and another person were in their car at East Thrill Place and North Forest Street when several people approached the vehicle and opened fire.
Hamilton died, the other victim was injured but survived.
LONNIE HARRIS
Lonnie Harris, 52, was shot to death on June 28, 2017, in the 9200 block of East Nassau Avenue in Denver.
If you have any information about any of these cases call Metro Denver Crime Stoppers at 720-913-STOP (7867) Callers can remain anonymous and be eligible for a reward of up to $2,000. The tip line is operated 24 hours a day, 7 days a week.
All this week 9NEWS has been featuring unsolved cases.
On Thursday, we featured the case of Vicki Carpenter. The 24-year-old mother's body was found in the Cherry Creek Spillway, about two months after she was last seen. Her body had been weighted down with chains and cinder blocks.
On Wednesday, we featured the 1986 murder of Richard Van Duyn. He was delivering money bags to an Aspen Park bank when he was shot and killed. Watch his story below.
On Tuesday we featured the case of Jane Doe who was found dead in 1993. Watch her story below.
On Monday, we featured the case of Patricia Louise Smith. The 50-year-old mother and grandmother was killed in 1984. Her killing was linked to several other crimes, including the brutal slaying of an Aurora family. None have been solved. Watch her story below.
If you have any information about any of these cases call Metro Denver Crime Stoppers at 720-913-STOP (7867) Callers can remain anonymous and be eligible for a reward of up to $2,000. The tip line is operated 24 hours a day, 7 days a week.