Okay, be honest — how many true crime podcasts are you currently subscribed to? Two? Five? Twelve? Don’t worry, there’s no judgment here. True crime has become one of the most popular genres in the world, and whether you’re into documentaries, podcasts, or binge-watching detective shows at 2 AM, the English around this topic is absolutely fascinating. So let’s dive in and use your love of mysteries to seriously level up your English.
We’ll start from the ground level and work our way up to the kind of language that would let you debate a cold case with a criminology professor. Ready to investigate? Let’s go.
LEVEL 1 — THE BASICS (A1/A2)
First things first — we need the core vocabulary. When a crime happens, the most important people in the story have specific names. The victim is the person who was harmed. The suspect is the person the police think might have done it. A witness is someone who saw something. And the detective or investigator is the person trying to solve the case.
What kinds of crime are we talking about? A murder is when someone kills another person intentionally. A robbery is when someone steals using force or threats. A burglary is when someone breaks into a building to steal. A theft is the general word for stealing. And a kidnapping is when someone is taken and held against their will.
Now, some basic phrases you’ll hear in any crime story:
“The police arrested the suspect.”
“The detective found a clue.”
“The victim called the police.”
“The crime happened at night.”
Grammar-wise, the past simple tense is your main tool at this level. Crime stories are told in the past because they’ve already happened. ‘The police found the body.’ ‘The suspect ran away.’ ‘Nobody saw anything.’ Keep it simple and direct — just like a good police report.
A few useful verbs: to steal (took something), to arrest (the police caught someone), to investigate (look into a crime), to escape (get away), to confess (admit you did it). These are the building blocks of every crime conversation.
LEVEL 2 — ADDING COLOR AND DEPTH (B1/B2)
Now we start getting into the good stuff — the kind of English you need to actually discuss a case, not just report what happened. At this level, you’re watching crime documentaries, following Reddit threads, and forming your own opinions.
Let’s expand your vocabulary significantly. Evidence is the information that proves something happened — think fingerprints, DNA, security footage. An alibi is proof that the suspect was somewhere else when the crime occurred. A motive is the reason someone would commit a crime — jealousy, money, revenge. A cold case is an unsolved case that’s no longer being actively investigated. And a serial killer is someone who murders multiple people over a period of time.
Here’s where it gets interesting — the language of speculation. True crime discussions are basically one long exercise in educated guessing, and English has fantastic structures for this:
“I think the husband did it.” (simple opinion)
“He might have been involved.” (possibility — modal + present perfect)
“She could have been lying about her alibi.” (stronger possibility)
“There’s no way he acted alone.” (strong disbelief)
“The evidence suggests that the crime was premeditated.” (formal analysis)
Modal verbs are your secret weapon here. ‘Must have,’ ‘could have,’ ‘might have,’ and ‘can’t have’ all express different levels of certainty about past events. ‘He must have known the victim’ means you’re almost sure. ‘He might have known the victim’ means it’s possible but uncertain. ‘He can’t have been there’ means you believe it’s impossible. Master these, and your true crime discussions will instantly sound more intelligent and nuanced.
Phrasal verbs in this context are gold. To look into something means to investigate it. To get away with means to escape punishment. To turn yourself in means to surrender to the police. To cover something up means to hide evidence or the truth. And to piece together means to gradually understand what happened by connecting different bits of information.
A speaking tip: when you’re discussing a case with someone, use opinion phrases to sound natural. ‘In my opinion…’ ‘If you ask me…’ ‘The way I see it…’ ‘I could be wrong, but…’ These soften your statements and make you sound like a thoughtful conversationalist rather than someone making accusations.
LEVEL 3 — FLUENCY AND NUANCE (C1/C2)
Welcome to the level where you can discuss wrongful convictions over dinner without breaking a sweat. At this stage, we’re moving into the language of legal proceedings, ethical debate, and sophisticated analysis.
Advanced vocabulary time. Circumstantial evidence is evidence that implies something but doesn’t directly prove it — ‘He was near the scene’ is circumstantial; ‘His DNA was on the weapon’ is direct. A wrongful conviction is when an innocent person is found guilty. A miscarriage of justice is a broader term for any failure of the legal system. Forensic evidence comes from scientific analysis — DNA testing, toxicology reports, digital forensics. And exoneration is when someone is officially cleared of a crime after being convicted.
At this level, your discussions become genuinely analytical:
“The prosecution’s case relied almost entirely on circumstantial evidence, which raises serious questions about the integrity of the conviction.”
“While the documentary made a compelling case for his innocence, it’s worth noting that it presented a deliberately one-sided narrative.”
“The ethical implications of true crime entertainment are complex — on one hand, it raises awareness of injustice; on the other, it can retraumatize victims’ families.”
Grammar spotlight: advanced conditionals and subjunctive structures are powerful here. ‘Had the police investigated more thoroughly, the real killer might have been caught decades ago.’ This is a third conditional with inversion — instead of ‘If the police had investigated,’ we flip it to ‘Had the police investigated.’ It’s more formal, more elegant, and very effective in written analysis.
The passive voice also becomes crucial at this level because crime reporting often focuses on the action rather than the actor. ‘The suspect was apprehended’ sounds much more like a news report than ‘The police caught the suspect.’ ‘The body was discovered by a jogger.’ ‘Charges were later dropped due to insufficient evidence.’ Getting comfortable with passive constructions will make your English sound more polished in both speaking and writing.
Let’s also discuss the language of ethical debate, because true crime isn’t just about ‘who did it’ — it’s increasingly about the ethics of the genre itself. Phrases like ‘there’s a fine line between…,’ ‘it’s a double-edged sword,’ ‘the ends don’t always justify the means,’ and ‘it raises uncomfortable questions about…’ are all essential for having sophisticated conversations about whether true crime entertainment does more harm or good.
Writing tip: if you’re writing about a case — whether it’s a blog post, an essay, or even a social media comment — avoid absolute statements unless you’re citing confirmed facts. Instead of ‘He definitely did it,’ write ‘The evidence strongly suggests his involvement.’ Instead of ‘The police were useless,’ try ‘The investigation appeared to be marred by a series of procedural errors.’ This is the kind of measured, precise language that elevates your writing from casual to credible.
YOUR CHALLENGE
Choose a true crime case you find fascinating (real or from a show).
Record a 2-minute audio summary of the case, then give your opinion on what happened.
Try to use at least two modal verbs of speculation, one phrasal verb, and one advanced vocabulary word.
Written alternative: Write a 150-word opinion paragraph about the case as if you were posting on a discussion forum.
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