Here is a timeline of events culled from testimony.
OCTOBER/NOVEMBER 2002: Petrick tries to choke his wife, Janine Sutphen, while she is exercising. He apologizes and says he doesn't know what happened.
OCT. 25, 2002: A search for "neck, snap, break, hold" is performed on Petrick's computer. A bookmark is set for "22 Ways to Kill a Man with Your Bare Hands."
DEC. 13, 2002: Petrick tries to cash a $48,000 check. Petrick later pleads no contest to counterfeiting the check.
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DEC. 25, 2002: Petrick attacks Sutphen with a 600,000-volt stun gun.
JANUARY 2003: A check written by Sutphen for her son Robin's tuition bounces. By now Sutphen has learned that Petrick has taken money from their bank account.
JAN. 7, 2003: The last day anyone sees or hears from Sutphen.
JAN. 8, 2003: A search for "body decomposition" and "rigor mortis" is performed on Petrick's computer.
JANUARY 2003: Petrick answers the phone, telling friends, family and colleagues that Sutphen is either too sick or too depressed to answer.
JAN. 13, 2003: Petrick tells a woman at the James Joyce pub in Durham that his wife has died from cancer.
JAN. 18, 2003: A search for "Falls Lake N.C. depth" is done on Petrick's computer.
JAN. 21, 2003: Son Robin Sutphen leaves message on couple's answering machine saying, "If I don't hear my mom's voice on my answering machine in the next 24 hours, I'm coming up there, and you don't want to see me on the other side of the door."
JAN. 22, 2003: Petrick calls 911 in early morning hours and reports wife missing.
MAY 8, 2003: Petrick attempts to get a $10,000 loan. He lists Sutphen as co-signer.
MAY 29, 2003: Sutphen's body is found in Falls Lake, and Petrick is arrested.