Complex sentence: At this time, Martelly was living in Florida but in 2007, he moved back to Haiti, in the process, like many others, when the mortgage/financial sector crashed, defaulted on more than $1m in loans and losing 3 properties to foreclosure.
Split into simpler sentences: At this time, Martelly was living in Florida but in 2007, he moved back to Haiti. In the process, when the mortgage/financial sector crashed, he defaulted on more than $1m in loans, losing 3 properties to foreclosure.