“I called the cops about a murder on my front lawn…” (joke)

A group of crows is a “murder.” “There was a murder on my front lawn this afternoon.  Fortunately, it was just a lot of crows” was posted on Twitter by Glenn Peters on December 11, 2010.
       
“I called the cops about a murder on my front lawn and they just hung up. They said that couldn’t do anything about crows and to stop calling” was posted on Reddit—Jokes on March 10, 2016.
 
“What do you call two crows on a branch?”/“Attempted murder” is a related riddle.
   
     
Twitter
Glenn Peters
@gentlerpens
There was a murder on my front lawn this afternoon.  Fortunately, it was just a lot of crows.
5:47 PM · Dec 11, 2010·Twitter SMS
 
Twitter
𝕂-Puff
@sarcasticgurly
Theres a murder on my front lawn- a murder of CROWS!  XD
6:56 AM · Apr 24, 2013·Twitter for Android
   
Twitter
FletcherDodge
@NobleRot
There was a murder on my front lawn this evening… of crows
7:16 PM · Aug 26, 2014·Twitter for Android
   
Reddit—Jokes 
Posted by u/theone1221 March 10, 2016
I called the cops about a murder on my front lawn and they just hung up.
They said that couldn’t do anything about crows and to stop calling.
COMMENTS
xf-
TIL: In the english language, “murder” can refer to a group of crows. 
 
Twitter
Samantha Dowd
@samanthadowd935
I called the cops about a murder on my front lawn and they just hung up. via /r/Jokes
They said that couldn’t do anything about crows and …
10:07 AM · Mar 10, 2016·IFTTT
 
Reddit—Jokes
Posted by u/theone1221 October 11, 2016
I called the cops about a murder on my front lawn and they just hung up.
They said that couldn’t do anything about crows and to stop calling.
COMMENTS
audiodrone
So much for lawn order.
 
Twitter
Bob Kostic
@causticbob
I called the cops about a murder on my front lawn and they just hung up
They said that couldn’t do anything about crows and to stop calling
5:48 PM · Apr 1, 2017·Twitter Web Client
 
Reddit—Oneliners
Posted by u/madazzahatter February 9, 2018
I called the cops about a murder on my front lawn, but they said they couldn’t do anything about crows and to stop calling them.
 
Twitter
Bob Kostic
@causticbob
I called the cops about a murder on my front lawn and they just hung up.
They said that couldn’t do anything about crows and to stop calling.
6:32 PM · Jun 11, 2020·Twitter Web App
 
Reddit—Cleanjokes
Posted by u/madazzahatter June 26, 2020
I called the cops about a murder on my front lawn, but they said they couldn’t do anything…
...about crows and to stop calling them.