To the families of the victims and those close to them, I express my most heartfelt condolences,

These statements, presented as medical, are in fact texts devised by the patient, those close to him, his aides, ... authentic.

I'd like to give my heartfelt apologies to the victims in the offense and to all the lives that my actions have caused suffering.

"‎Tears can show heartfelt joys which words cannot express." ~ Tom Baker

I extend my deepest condolences to the victims and the families.

reflects an insensitivity to the victims [and] the victims' families.