<p>This 2006 file family photo provided by Patrick Blackwelder shows his former stepdaughter, Savannah Hardin. Authorities have charged Savannah Hardin’s paternal grandmother, Joyce Hardin Gerrard, and stepmother, Jessica Mae Hardin, with murder in her death. Police say the 9-year-old girl was run to death as punishment for lying. Experts say the hundreds of messages posted online since Savannah died in February show the legal system has yet to catch up with the s…

May 7, 2012