One way is through practice in front of a mirror. Try different facial expressions, like narrowing your eyes slightly and tightening your jaw. Another way is to think about something that makes you angry or determined while looking at someone. This can naturally create a more intense look.
I'm not sure specifically which 'if looks could kill 2016 true story' you are referring to. There could be many stories with that title or related concept. It might be about a situation where someone's appearance or gaze had a significant impact, perhaps in a social or interpersonal context, but without more details it's hard to say exactly.
Those who received such looks often had to deal with psychological effects. In a true - story setting, like in a gang - related situation, a gang member giving a menacing look to someone from another gang could make the recipient constantly look over their shoulder. They might change their daily routines, avoid certain places, and experience a great deal of stress. This is because the look made them feel like they were in real danger, as if the look itself had the power to harm them. The fear could also lead to paranoia, and they might misinterpret normal glances from others as threats.
One example could be the intense stare of a dictator during a speech. Their menacing look might have been used to intimidate those who opposed them. Another could be in a courtroom, where a hardened criminal gives a cold, murderous stare to a witness, making the witness feel threatened.
One possible theme could be the power of non - verbal communication. If looks could kill, it implies that a look can convey a very strong and perhaps negative message, so non - verbal communication through facial expressions might be a key theme.
One example could be in a high - stakes business negotiation. A shrewd negotiator might give a cold, hard look that implies they have a strong position and won't be pushed around. This look can intimidate the other party into making concessions. Another instance could be in a sports competition. A fierce athlete might give a look of determination and dominance that psychologically affects their opponents, making them more likely to make mistakes.
Generation Kill is inspired by true events. However, like many adaptations, it may take certain liberties in the storytelling to make it more engaging for the audience while still maintaining a core of truth.