Authorities now believe the couple to have been killed.
Sunday’s vigil took place outside Keop’s chiropractic office.
The pair’s gray Toyota hatchback was initially missing from their home, but was later found in a rural area in Olympia.
“They were people of faith,” said Dutton. “They developed deep relationships with everyone they met.”
“She gave me words of encouragement,” said another.
According to the Thurston County Sheriff, an Olympia man in his 40s was taken into custody Friday and faces two counts of first-degree murder and first-degree kidnapping related to the vanishing of Karen Koep and her husband.
“I just hope all of that of this has been resolved,” said Dutton. “I just keep wondering, is there more about this that we don’t know?”
“I just want everyone to slow down in this world,” said Dutton. “Just stop and honor my brother-in-law and sister in the way that they were, kind, loving, patient and of service.”