"Different departments, different job functions, probably never worked together directly." Isla opened a new document, starting to map out what they knew. "Age gap of eight years. No obvious social connection—I checked their social media lastnight, and they don't have any friends in common, no shared photos or interactions."
"So if they're connected, it's through something less obvious than friendship or family ties." James scrolled through David Langford's personnel file, his blue eyes sharp despite the early hour and lack of sleep. "What about complaints? Official or unofficial grievances?"
Isla pulled up the files Morrison had sent over yesterday, the ones detailing Langford's workplace issues. The formal complaint he'd filed three weeks ago was there, along with his performance reviews going back fifteen years. Most were routine—satisfactory marks across the board, occasional commendations for quick response to emergency repairs, nothing that jumped out as unusual.
But there, buried in the notes from his annual review eight months ago, was a comment from his supervisor: David continues to demonstrate strong technical skills, but has received multiple complaints from residents regarding his interpersonal approach during service calls. Recommend additional training in customer service and de-escalation techniques.
"Complaints from residents," Isla said, highlighting the passage. "About his interpersonal approach. What does that mean, exactly?"
James was already digging deeper, pulling up the actual complaint forms that had been filed through the city's public feedback system. "Let's see... March of last year, a resident on Fourth Street complained that Langford was 'aggressive and dismissive' when responding to a heating issue. Said he was rude, made her feel stupid for not understanding how the system worked, and left without fully explaining the repairs."
He scrolled down. "May, similar complaint from someone in the Lakeside neighborhood. 'Condescending attitude,' 'treatedme like I was wasting his time,' 'made me feel unwelcome in my own home while he worked.'"
More scrolling. "July, August, September—they keep coming. Not a huge volume, but consistent. People saying he was short-tempered, impatient, talked down to them." James looked up from his screen.
Isla absorbed this, adding notes to her document. David Langford, by all accounts a skilled technician, but someone who'd developed a reputation for being difficult with the public he was supposed to serve. Not enough to get him fired—the complaints were never about his actual work quality, just his manner—but enough to create a pattern of negative interactions.
"Now pull up Linda Graves's record," Isla said, a suspicion forming in the back of her mind.
James switched files, and within minutes, a similar pattern emerged. Linda Graves had been a social worker for over two decades, working primarily with vulnerable populations—domestic violence survivors, families in crisis, children in difficult situations. Her performance reviews were generally positive, noting her efficiency, her thorough documentation, her ability to handle high caseloads.
But there were complaints here too, a steady trickle over the years that painted a troubling picture.
"Client complaint from two years ago," James read. "Mother of three said Graves was 'cold and judgmental' during home visits, made her feel like a bad parent instead of someone who needed help. The woman said Graves seemed more interested in checking boxes on her forms than actually listening to the family's situation."
He scrolled down. "Here's another one, sixteen months ago. Father, going through custody issues, said Graves was 'clinical to the point of cruelty,' that she delivered difficult news about hiscase without any apparent empathy. Said it felt like she viewed him as a problem to solve rather than a human being in pain."
More complaints followed, each one variations on the same theme. Linda Graves was efficient, thorough, professional—but she lacked warmth. She maintained clinical distance to the point where clients felt dehumanized. She did her job well by the metrics that mattered to her supervisors, but the people she was supposed to help often came away feeling worse than before they'd encountered her.
"Jesus," James muttered, reading through the file. "This woman worked in social services. Her entire job was supposed to be about helping people, supporting them through difficult times. But client after client says she made them feel small, judged, inadequate."
Isla leaned back in her chair, staring at the two open files on her screen. David Langford and Linda Graves, two people in service professions who were apparently terrible at the "service" part. Both had maintained their jobs because they were technically competent—Langford could fix pipes, Graves could process cases—but both had reputations for treating the public poorly.
"That's the connection," she said slowly. "Not their careers or their departments or any social relationship. It's their reputations. Both of them were seen as people who should have been helping others, but instead made things worse through their attitudes and behavior."
James was nodding, following her logic. "Langford went into people's homes supposedly to fix their heating, but made them feel stupid and unwelcome. Graves was supposed to help families in crisis, but made them feel judged and dehumanized. They both wore the uniform of public servants while treating the people they served like inconveniences."
"Hypocrites," Isla said, the word tasting bitter. "That's how our killer sees them. People who present themselves as helpful professionals—city workers, social workers, people in positions of trust—but who actually treat others with contempt."
She stood and moved to the whiteboard, adding this new information to their profile. The killer knew the steam tunnel system intimately. The killer had access to both active and abandoned sections. The killer used burner phones purchased from different locations to contact victims. And now: the killer targeted people they perceived as hypocrites in service professions.
"So we're looking at someone motivated by a sense of justice," James said, standing to join her at the whiteboard. "Someone who thinks they're punishing bad behavior, making the world better by eliminating people who abuse their positions. But how does this help us narrow down suspects? We're talking about anyone who's ever had a bad experience with city services or social workers. That's potentially thousands of people."
Isla tapped her marker against the whiteboard, thinking. "Not thousands. Our killer has specialized knowledge of the tunnel system—not just maps or blueprints, but intimate familiarity with both active and abandoned sections. That kind of knowledge only comes from significant time spent down there."
"So we're back to current or former city employees," James said. "Someone who worked in maintenance or engineering, someone who had legitimate reasons to be in those tunnels regularly."
"Someone who would have interacted with David Langford," Isla added. "Maybe worked alongside him, maybe had conflicts with him. The text messages that lured Langford to his deathreferenced the complaint he'd filed—whoever sent them knew about internal workplace drama."
She returned to her laptop and pulled up the personnel records Carol Martinez had sent over yesterday, the list of everyone who'd had access to the steam tunnel system in the past five years. The spreadsheet was depressingly long—over two hundred names spanning multiple departments.
"We need to narrow this," Isla said, applying filters to the data. "Who had access to both active and abandoned tunnel sections? Who would know about the decommissioned areas where Graves was killed?"
The filter reduced the list to eighty-seven names. Better, but still too many to investigate efficiently. Isla sighed. All they could do was get to work.
CHAPTER THIRTEEN
The beam of his headlamp cut through the darkness of Section G-4, illuminating decades of accumulated rust and mineral deposits on pipes that hadn't carried steam since the Reagan administration. He moved through the abandoned corridor with the easy confidence of someone who knew every turn, every junction, every hidden access point in Duluth's underground labyrinth.
