From the article:
Investigators also will consider whether or not the suspect was protected within the Stand Your Ground laws, Graves said.
Police initially said Yarl was in stable condition but had a life-threatening injury. His current condition has not been released, other than he is stable.
Graves said Sunday that the homeowner who allegedly shot the teen was taken into custody Thursday and placed on a 24-hour hold. While searching the scene for evidence, detectives found the firearm allegedly used. Law enforcement released the suspect pending further investigation after consulting with the Clay County Prosecutor's Office.
Missouri law allows a person to be held up to 24 hours for a felony investigation. At that point, the person must be released or arrested and formally charged. In order to arrest someone, law enforcement needs a formal victim statement, forensic evidence and other information for a case file to be completed, Graves said.
If there's even a remote chance that something like this was covered under their self-defense law, then that state has a very poorly worded or vaguely worded self-defense law.
A rational person would assume that in order to invoke self-defense, there would actually have to some sort of threat that, y'know, you were defending yourself from.
In what world is "someone rang my doorbell" a threat?
And if someone was actually terrified of a stranger ringing their doorbell, why did he unlock and open the interior door in the first place when the bell was rang? Wouldn't the first move be to keep the door locked and call the police if one was worried about that?
"I'm gonna go answer the door with my gun in-hand" sounds like someone who was just itching for a reason to use it, or the work of a paranoid schizophrenic.
It's not like this was a high crime area either. Perhaps if one lived in an area that just had a string of armed robberies pretending to be the FedEx or Pizza delivery guy, I could understand one being fearful about opening the door for someone they don't recognize.
But based on what I see on google street view, this doesn't appear to be one of those areas
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Looks like your average little midwestern middle-class suburb.
In fact, independent reviews of the Neighborhood give it a pretty glowing review:
According to NeighborhoodScout's exclusive analysis, Nashua is among the best neighborhoods for families in Missouri. In fact, this neighborhood is more family-friendly than 97.0% of neighborhoods in the entire state of Missouri. Its combination of top public schools, low crime rates, and owner-occupied single family homes gives this area the look and feel of a "Leave It to Beaver" episode.