Sometimes, the villain knows what the heroes are planning to do and where they will go.
In this case, said villain knows when they will have access to a phone. So, to avoid having the police interfere, he (or she) will cut the phone line, often offscreen.
Frequently a Horror
or a Mystery
movie trope. Since cell phones have made this largely obsolete
, this is generally replaced by Cell Phones Are Useless
in modern works.
Compare The Radio Dies First
and Lost In Transmission
Anime and Manga
- In Saitama Chainsaw Shoujo, Kirisaki Fumio makes a point of cutting the phone lines and disabling the local cell towers around her school to maximize the time she can spend cutting apart her classmates with a chainsaw before the police notice.
- In Monster, Johan does this before killing Nina/Anna's adoptive parents.
- Also, Lucky Luke did this trope with telegraph lines, because it is set in the Wild West. On one occasion the (fictitious) Indian tribe Blue Foots cut off a telegraph mast, while a telegram is send for Luke to the cavalry. Another time it was the so-called real Dalton Brothers who shot the telegraph lines to keep another city from learning about their arrival.
- In The Dragon Doctors, one of the first thing bandits do when attacking is jam all communications. The second time it happens, it actually alerts Goro of the impending attack.
- In the third issue of The Adventures of Dr. McNinja, Ronald McDonald says he's going to call the police about the crazy man robbing from his secret hamburger warehouse (don't ask), then one of the raptor banditos (don't ask) gives a very badass speech about why Ronald should just let them handle it instead of getting the police involved. And then Doc McNinja says that it's a moot point because he cut the phone lines.
- An inadvertent version in Tintin and the Picaros. General Alcazar has overthrown the dictatorship of General Tapioca, so he rings the prison to cancel the Firing Squad scheduled to execute Thomson and Thompson. Only he keeps getting a wrong number, and our heroes have to race there in person to stop things Just in Time.
- The first Die Hard movie shows the bad people doing this. They weren't planing on physically cutting, but a guy got impatient.
- The Matrix has a variation: Cell lines are ubiquitous so communicating is not a problem, but to actually get out of the matrix, you need a hard line. A virtual hard line. A hard virtual... look it's gotta be a phone line so cutting the phone lines is serious.
- The Incredibles had this on its collector's edition DVD, which included animated storyboards of deleted scenes. One featured an alternate situation where Syndrome tracked down the Parr family when Violet was still a baby. When Helen attempts to dial 911, hearing Bob fighting him out in the kitchen: "Don't bother, honey, I cut the wires. Just leave the scene, OK?"
- In the original version of Assault on Precinct 13 (1976), the gang members cut the phone lines to isolate the station house.
- Shown on-screen in Bedknobs and Broomsticks. The Nazis cut the phone lines when they invade.
- At least one phone line is cut in the first Gremlins movie.
- Michael Myers does this in practically every Halloween movie.
- In Day of the Wolves, the Wolves cut the phone and power lines at the same time they blow the bridge, completely isolating the town of Wellerton.
- In Panic Room, the thieves cut the main phone lines of the house to prevent Meg and her daughter from calling out, while the phone in the titular room is on a different line but never got connected in the first place, as Meg moved into the house that very day. However, the burglar in charge of doing the cutting simply cut the cord of the kitchen phone, not the entire line. Meg manages to jury rig the panic room's phone into the main line and get a call for help out before the thieves disconnect the lines for real.
- In Ted, after Ted gets bear-napped by Donnie and his son, he tries to call John for help.. When Ted is about to reveal his location to him, he hears a dial tone and turns around to see Donnie with a pair of scissors holding the line.
- In Four Flies on Grey Velvet, the killer cuts the phone line to Roberto's house while Roberto is on the phone to God.
- In A View to a Kill, Zorin's mooks cut Stacy Sutton's phone line before invading her house and attacking her. After James Bond fends them off, he repairs the line.
- One scene in The Longest Day shows French Resistance members blowing up a dozen or so telephone poles to cut the lines. It's implied that numerous other cells in Normandy did similar things, as after a while the Nazis are forced to use couriers to communicate.
- In the James Bond novel Diamonds Are Forever, Bond is visiting a mud bath to pay a horse jockey for cheating when it is noticed that the phone line is dead. The novel states that this should have been a warning for Bond, but he did not react and could not when the responsible pair of henchmen came and tortured said jockey for his betrayal.
- Clock Punk variant in The Fifth Elephant where the equivalent of cutting the phone lines is smashing the semaphore tower and killing the operators.
- Done in Without Remorse by John Kelly for his final confrontation with the drug ring, which has set up shop in an abandoned warehouse. Kelly cuts the wires and connects his own field phone for a bit of psychological warfare.
- Updated to the modern world in Relativity: In the story "August Moon", a killer enters a woman's house and cuts the phone line, then hunts around for a cell phone and removes the battery.
- Buffy the Vampire Slayer had Ms. Calender cut the phone line when she was possessed.
- Harper's Island has the killer cutting the phone lines so no one on the island can call the mainland for help.
- In season 3 of Boardwalk Empire Nucky realizes that Rosetti's men are about to attack when his butler tries to make a call and the line is dead.
- In the Helix episode "274," when he hears CDC researcher Alan's intent to call the army in for backup during an outbreak of The Virus, Major Balleseros blows up the satellite and communications system so isolated Research, Inc.. Arctic Biosystems is both cut off from the outside world, and its intrabase phone lines disconnect.
- Future tech example: In the Star Trek: Voyager episode "Bliss", when an alien that Seven Of Nine comes in contact with tries to warn her about the "wormhole" that her crew's ship is about to enter into, the communication lines are suddenly interrupted as everything in the Astrometrics lab powers down.
- Whodunnit? (UK): In "Final Verdict", the killer does this (combined with Vehicular Sabotage) to ensure that none of his targets can leave the house or summon help.
- In the Supernatural episode "The Usual Suspects" (S02, Ep07), the phone cuts out during Karen Giles' call to 911.
- In Agatha Christie's The Mousetrap, the murderer cuts the phone wires of the guesthouse where the victims are snowed in.
- The Real Inspector Hound, a satire which copied most of the twists of The Mouse Trap, does the same, although it fails to prevent the phone from ringing again later in the scene after the play reboots.
- Near the end of Portal, in GLaDOS' chamber there is a red land line phone (which strangely has the company logo as a rotary dial), and the line between the receiver and the device has been cut. The developer commentary says that this phone was there for someone to sit by and call for help if GLaDOS ever became sentient and godlike. Apparently, that plan didn't go too well.
- In Higurashi no Naku Koro ni, Rika cuts the phone lines in both Irie's clinic and at the only payphone in the village so Akasaka wouldn't know about his wife's death, and she would have more time to ask for his help in saving her life before she is to be killed a few days after the Cotton Drifting Festival.
- In every arc of Umineko no Naku Koro ni, the external phone line of Rokkenjima is cut just before the murders start. Note: only the external line. The internal line is used in Episode 1, 4 and 5 to give the survivors some mysterious or threatening calls.
- Daffy thinks thinks Porky has done this as part of a plot to trap him in the house in The Looney Tunes Show episode "The Muh-Muh-Muh-Murder". He hasn't. The phone was an antique that was only there for decoration.
- The Hair Bear Bunch: In "The Bear Who Came To Dinner," Peevly is calling a doctor to give Square Bear a check-up so as to see if he's faking an injury. The call is intercepted atop a phone pole by Hair Bear, who is using Gabby the Parrot to impersonate the doctor's secretary.
- In the Courage the Cowardly Dog pilot "The Chicken From Outer Space", as Eustace is turning into a chicken, Muriel tries to call an operator. However, the space chicken cut the lines.
- In Real Life, Charles Manson's minions cut the phone lines to Sharon Tate's house before killing everyone inside.
- Martial law in Poland in 1981 began with the phone lines going dead.
- Actually recommended as advice in Namibia. If you get stranded on a deserted highway, throw rocks on the phone line until it breaks and wait for a repairman to come pick you up.