d-CON Mice Bait Station, 3 Pack

How does the D-Con twisting mouse trap actually kill the mouse? I thought that it would just catch it and I could release it outside, but it killed the mouse. How does

D-Con Refillable Corner Fit Mouse Poison Bait Station, 1 Trap + 5 Refills

Best and Effective Way to Catch Mice by Wilson Control

d-CON Disposable Mouse Bait Station, 3 Pack — Ellington Agway

d-CON at Menards®

d-CON Bait Station Corner Fit (1+5) ct. (Pack of 4), 4 Pack - Jay C Food Stores

d-CON at Menards®

Tomcat Mouse Killer - 4 Child and Dog Resistant Bait Stations Containing 28 Gram Bait Blocks : : Patio, Lawn & Garden

Control Rodent Infestation with the Wilson Mouse Baits