Police arrested a Vancouver woman who allegedly stole from elderly people by convincing them to let her into their homes.Christina L. Higdon, 40, was arrested Tuesday after a Vancouver Police Department sergeant recognized her as a possible suspect. After she was taken into custody and interviewed, she was booked into the Clark County Jail on three counts of third-degree theft, possession of methamphetamine, two outstanding felony warrants and two misdemeanor warrants. Over the past month and a half, Higdon would allegedly knocked on victims’ doors and asked to use the phone. When she left, the residents would find their purse or money missing. Most of the victims were in their 70s and 80s.Police are continuing to investigate the thefts.Hidgon’s criminal history in Clark County district and superior courts dates back to 1998. In 2011, she pleaded guilty to first-degree theft.