begin{align*}
begin{tabular}{cc|c|c|}
& multicolumn{1}{c}{} & multicolumn{2}{c}{Suspect 2} \cline{3-4}
& {} &{Quiet}  &{Fink}  \cline{2-4}
&{Quiet} & {4,4} & {0,6}  \ cline{2-4}
Suspect 1  &{Fink} & {6,0} & {2,2}  \cline{2-4}
end{tabular}
end{align*}