Do you have a doorbell camera at home? If not, you might want to get one. Because the videos you can find online that have been captured by these cameras might make you curious about what you're not seeing at your door.

Lets establish something right away...the research into whether or not doorbell cameras help prevent crime isn't as concrete as you might think. While we have plenty of anecdotes, like in these videos, of people who are able to spot specific crimes while they're in progress.

For example, in these videos you will see two men posing as utility workers who begin to violently try to force a door open. Once the homeowner sees what's happening on the doorbell camera, he's able to connect and tell them to stop through the speaker. This scares the criminals away.

There are also examples here of people who were able to be identified and arrested because of what these doorbell cameras caught. But the overall research is concerning over how often clear-cut evidence provided by these camera does not result in an arrest and conviction.

Shreveport actually became a pilot city for a free doorbell camera program, but has crime in the city improved noticeably? While statistics may show that numbers might be down, the overall feeling of crime in Shreveport hasn't gone down much. People might actually feel less safe in the city today than when this program started.

Even if they're not reducing overall crime, they might be helpful for you. Here are some disturbing videos that do show what these doorbell cameras can catch for you.

You can find more videos similar to these all over the internet. These cameras continue to catch disturbing videos like this, and in some cases, protect the people on the other side of them.

Can You Help Solve These East Texas Cold Cases?

Cold Case refers to a crime that has not yet been solved to the full and is not the subject of a recent criminal investigation, but for which new information could emerge from new witness testimony, DNA evidence, re-examined archives, retained material evidence, as well as fresh activities of the suspect.

Gallery Credit: City Of Tyler