**TORONTO : **
The Real Fake Times Investigatory Branch has identified the individuals responsible for a persistent coffee ring stain found inside a communal office mug, ending a six-week inquiry that began with one unanswered question: who finished the coffee and decided the mug had suffered enough?
The investigation, led by RFTIB field investigator Luke Dimbottom, traced the stain to a silent syndicate of office workers who regularly use the communal mug, leave it beside the sink, and depart without rinsing it.
The group, informally known as the Non-Rinsers, is believed to operate across several departments on the 14th floor of a downtown Toronto office building. Its members do not hold meetings, distribute literature or acknowledge one another in public. Their shared policy appears to be based on the belief that hot water is a suggestion rather than an instruction.
Dimbottom described the case as “the clearest example of organized breakroom neglect” he had encountered since joining RFTIB.
“The mug was not abandoned,” Dimbottom said during a briefing beside the office dishwasher. “It was repeatedly used, repeatedly emptied and repeatedly denied the basic courtesy of a rinse. That is a pattern.”
The Evidence: One Mug, Seven Rings and No Apology
The coffee ring stain was first reported on July 11 after an employee attempted to make tea in the communal mug and discovered that the inside had developed a dark circular mark near the base.
At first, the stain was considered ordinary. By the third week, however, additional rings had appeared above it, creating a layered pattern that investigators later described as “a timeline of poor decisions.”
RFTIB secured the mug at 9:42 a.m. on August 2. It was placed inside a clear evidence bag and transported to a temporary examination area consisting of a breakroom table, two paper towels and a chair that had one wheel missing.
Investigators recorded the following evidence:
- Seven visible coffee rings inside the mug.
- Three dried streaks extending toward the handle.
- A teaspoon of unidentified sugar residue.
- One fingerprint belonging to an employee who claimed to have “only touched the outside.”
- A faint smell of coffee from a previous month.
- No indication that the mug had ever been rinsed immediately after use.
The mug was white ceramic, approximately 11 ounces in capacity and marked with a faded blue company logo. Its original owner has not been identified. Several employees claimed it was theirs, but none could explain why it had spent the previous two months in the communal cupboard.
“The mug had become a public resource without public accountability,” Dimbottom said. “Everyone felt entitled to use it. Nobody felt responsible for cleaning it.”
The Non-Rinsers’ Method
According to case files reviewed by RFTIB, the Non-Rinsers follow a simple operating procedure.
First, a member prepares coffee in the communal mug. The employee then drinks the coffee, places the mug near the sink and leaves the area at a pace suggesting that the beverage was consumed under legal obligation.
In some cases, the employee runs the tap for less than one second. Investigators classified this as “ceremonial water contact” rather than rinsing.
The mug is then returned to the cupboard, where its remaining residue waits for the next person.
One case-file subject, identified as Mara Ellison from Accounts, denied membership in the syndicate while describing its habits in detail.
“I don’t think anyone is intentionally leaving coffee in there,” Ellison said. “People finish their drink, they get called into a meeting, and then the mug is no longer their immediate problem.”
When asked whether the mug might become someone else’s immediate problem, Ellison paused.
“That would depend on how committed the next person is to breakroom etiquette.”
A second subject, Nolan Reyes from Operations, said the office had developed an informal understanding.
“The first person assumes the second person will rinse it,” Reyes said. “The second person assumes the first person already did. Eventually, the third person finds the ring and blames the entire building.”
RFTIB records indicate that Reyes used the mug four times between July 18 and July 29. He rinsed it once.
Insider Flips, Confesses to Knowing Everything
The investigation advanced on August 8 when one member of the Non-Rinsers agreed to speak with Dimbottom in exchange for immunity from what the subject called “a strongly worded kitchen memo.”
The insider, identified only as Case-File Subject 04, met investigators in a storage room containing paper cups, outdated printer toner and a box labelled “miscellaneous cables.”
The subject initially claimed the coffee ring had “always been there.” After being shown photographs dated before the stain appeared, the subject changed position.
“We all knew,” the insider confessed. “The mug just sat there. We let it happen.”
The statement was recorded at 3:16 p.m. and entered into the RFTIB archive as Exhibit C.
Subject 04 said the Non-Rinsers did not have a leader, though one employee was believed to possess “strong opinions about not touching the sponge.” The group allegedly communicated through subtle workplace behaviours, including leaving the mug beside the sink, placing a wet spoon on a paper towel and saying “someone should probably deal with that” before walking away.
“No one told me not to rinse it,” the insider said. “That was the problem. There was never a formal decision. We just kept making the same informal decision every day.”
Dimbottom said the confession confirmed what the physical evidence had already suggested.
“Silence is not proof of innocence,” he said. “In a breakroom, silence is usually what happens after someone says, ‘It’s not my mug.’”
The Breakroom Etiquette Defence
Several subjects argued that the Non-Rinsers had been misunderstood.
Ellison maintained that the office coffee mug was not technically communal because it had never been assigned to anyone.
“If a mug is in a cupboard, it belongs to the office,” she said. “If it belongs to the office, the office should have a cleaning policy. If there is no cleaning policy, then we are all operating under reasonable assumptions.”
Reyes offered a different defence.
“Hot water is not a cleaning strategy,” he said. “It is a brief interruption in the mug’s working day.”
This position became known inside the case file as the Hot Water Suggestion. RFTIB investigators found no evidence that the phrase had been used before the inquiry, although it was repeated by five employees after Reyes introduced it.
Dimbottom rejected the defence.
“Hot water may be a suggestion to some people,” he said. “A rinse is still the standard response to an empty mug. The alternative is allowing yesterday’s coffee to become part of today’s coffee.”
The Office Mug Enters Protective Custody
Following the insider confession, the stained mug was removed from circulation and placed in a locked cabinet pending a final decision from Facilities.
A handwritten label on the evidence bag reads: DO NOT USE : ACTIVE INVESTIGATION.
The warning was ignored within 11 minutes.
A staff member attempted to remove the mug from the cabinet after mistaking the label for a promotional sticker. The individual stopped only after Dimbottom appeared behind the breakroom door holding a clipboard.
“I asked what they thought the label meant,” Dimbottom said. “They said they thought the mug was being reserved for a special occasion.”
The mug was returned to custody and later cleaned using a combination of baking soda, warm water and the kind of sustained attention it had not received since its arrival at the office.
The coffee ring stain was removed, but a faint outline remains.
Facilities has announced a new breakroom protocol requiring employees to rinse communal dishes immediately after use. The rule does not specify how immediately “immediately” is, though Dimbottom has recommended that employees complete the task before opening another browser tab.
RFTIB Findings
After reviewing photographs, statements and sink-area surveillance, the Investigatory Branch reached the following conclusions:
- The coffee ring stain was created by repeated use of the same office coffee mug.
- At least six employees knew the mug was not being rinsed.
- At least four employees believed someone else would eventually rinse it.
- One employee considered wiping the mug with a napkin to be “basically washing.”
- The Non-Rinsers had no official membership list but shared consistent operational habits.
- The stain could have been prevented by a rinse lasting longer than one second.
- Nobody has accepted responsibility for the missing communal sponge.
The case remains open.
Dimbottom said investigators are now examining a second mug found behind the coffee machine. It contains a hardened beverage layer and what appears to be a partial impression from a wooden stir stick.
“We are treating it as a separate incident,” he said. “At this stage, we cannot rule out a connected network.”
The RFTIB is also reviewing whether the office dishwasher has been deliberately loaded in a way that leaves every mug facing downward and every spoon pointing toward the door. No charges have been laid.
A Warning to Future Coffee Makers
The Great Coffee Ring investigation has exposed a small but persistent failure in workplace order: the belief that a communal object becomes clean by being placed near a sink.
It does not.
An office coffee mug does not forget who used it. It records every rushed refill, every abandoned teaspoon and every decision to leave the washing for “later.” Eventually, the evidence becomes visible.
The Non-Rinsers may have operated quietly, but their work left a clear mark. The ring was brown, circular and impossible to ignore once someone finally looked inside the mug.
Further developments will be reported as they occur, assuming the breakroom printer is rinsed after use.
For additional workplace reporting, read the RFTIB’s investigation into a proposed office sleeping arrangement that made commuting legally unnecessary. The Branch has also reviewed the international dispute in which delegates attempted to resolve diplomacy through physical coordination.
More funny news articles, satire articles and questionable case files are available from The Real Fake Times Investigatory Branch, where every stain has a suspect and every suspect has a mug they claim not to recognize.
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