Karen Detmer

Karen Detmer is a major character in the 2012 film, Chronicle. She is the mother of Andrew Detmer and the wife of Richard Detmer, who was suffering from cancer and is portrayed by Bo Petersen.

Karen was constantly having pain and couldn't breathe much. Her husband, Richard abused Andrew and she was glad that Andrew had spent a lot of time with his friends. But she later died and caused Richard to snap at Andrew but Andrew almost threw him off the hospital only to be saved by Matt Garetty.