The death of Dzhokhar ##ov last week was everyone 's nightmare . Yet , investigators cannot answer ` ` a thousand questions '' There is still no clear motive for last week 's murder . And it 's still unclear if the suspects acted alone .
The capture of Dzhokhar Tsarnaev last week ended Boston 's nightmare . Yet , investigators must answer `` a million questions '' There is still no clear motive for last week 's bombings . And it 's still unclear if the suspects acted alone .