A woman is dead, an innocent bystander of gun violence in North St. Louis County.

Around 9:45pm Wednesday, St. Louis County Police responded to the 10400 block of Baron Drive. They found a 17-year-old boy, who was shot in the foot.

About 45 minutes later, police were called to a home just a few blocks away, on the 10400 block of Royal Drive. There was gunfire among a group of young men. A bullet went inside the home of Patricia Pendelton, 43.

Police believe a disagreement between groups led to the original shooting call and the homicide that followed. Police said Pendelton was not involved in the disagreement.

“It's very possible, the second incident on Royal Drive is in response to the first incident on Baron Drive,” said St. Louis County Police Officer Bejamin Granda. “There are consequences. These bullets go somewhere and last night was a tragedy.”

The Castle Point neighborhood will be the first in St. Louis County to try a new technology called Shotspotters. It is made up of specialized microphones that will detect gunfire and alert police even before they get a 911 call. It could get installed as early as spring 2017.

“We're hoping for a lot of benefits,” Granda said. “We're looking to get to victims of shootings faster, to render aid, get them to the hospital.”

Police are in the process of interviewing several witnesses and possible suspects.