Your vicious Basic Attacks make Survivors drop their Items on impact:

• Causes dropped Items to slowly lose their Charges over 150/120/90 seconds.
• The Auras of dropped Items are revealed to you within 32 metres.
  • The level of depletion is indicated by the colour of the Aura, ranging from white to red as the timer elapses.

"Sally, I hear something. Stop! Stop!" - Franklin Hardesty