Donald Trump intends to exploit the murder of a young woman by an undocumented immigrant to distract from his own criminality at this week’s presidential debate, according to a veteran journalist. The presumptive Republican nominee’s campaign publicized his arranged call with the slain woman’s mother last week, and Trump has posted about three similar cases on his social media account to blame president Joe Biden for the murders. Sidney Blumenthal wrote a column for The Guardian laying out the ex-president’s strategy for using the killings for his own political benefit. “Trump is already showc…