Complex sentence: The investigators claim that he disappeared to avoid debts, including USD $8,000 owed to his ex-wife for child support, and created the website FindPatrickMcDermott.com for the sole purpose of trapping Mr. McDermott.
Split into simpler sentences: The investigators claimed McDermott disappeared to avoid debts, including USD $8,000 owed to his ex-wife for child support. Those same investigators created the website FindPatrickMcDermott.com for the sole purpose of trapping Mr. McDermott.