LordHenriVoton/Getty Images. Untrustworthy people don’t trust others, and while this could signify that they’ve been burned by others in the past, it’s often something more.

The pictures were then shown to participants in an online study using Amazon Mechanical Turk. Because there were so many photos, the 742 pictures were divided into seven sets, with each set being ...

All the pictures were created by a software program that made the faces appear trustworthy or untrustworthy to most people. A trustworthy person had a round face, round eyes and was clean shaven.

Picture this: You’re at a party where you’re introduced to a charming guest who quickly takes a shine to you, showers you with big-time praise, then offers to connect you to a high-profile ...

Learn from experts about the top signs of an untrustworthy person and why their behavior can be dangerous. Not sure if you can trust someone? ... Photo: Getty Images / Westend61.

A stock image of a man in court. Juries may be biased against "untrustworthy" facial features. ISTOCK / GETTY IMAGES PLUS. These findings may help tackle facial biases in the justice system, but ...

Then, in a related study, they showed the pictures of faces to 23 older adults and 21 younger adults (they were slightly older, with a mean age of 33) -- this time while conducting fMRI scans of ...

Untrustworthy people often fail to respect boundaries such as personal space (Photo: Shutterstock) 3. ... Picture this, you put yourself out there and snag yourself a first date.

Untrustworthy coworkers can put a serious damper on any workplace experience. Just read John Le Carre's "Tinker Tailor Soldier Spy," in which British spy George Smiley becomes convinced that one ...