Laura Hale

Laura Hale was Derek Hale’s sister and an Alpha Werewolf.

Early Life
Laura was born a werewolf.

The majority her family died in a fire set by a pair of arsonists at the behest of Kate Argent.

Laura and her brother Derek Hale were not home at the time of the fire. Her uncle Peter Hale escaped the blaze but was left comatose and badly scarred.

Laura and Derek both left Beacon Hills after the fire.

Season 1
The discovery of half of her body at the beginning of Wolf Moon leads Scott McCall and Stiles Stilinski into the woods on the night Scott is bitten by Peter.

The top half of Laura’s body was buried at the Hale House surrounded by a spiral of wolfsbane studded rope by Derek.

In Wolf's Bane, Peter Hale admits he killed Laura but claims he did not know what he was doing at the time. In the season finale, Code Breaker, Scott discovered that Peter had intentionally killed her in order to become an Alpha.

She is seen alive in Co-Captain in a flashback, finding Peter in the woods beginning to transform into a werewolf, and ready to kill her.