NL100 TPTK against shove from a Maniac (halfstacked)

[ComputerMaster]

No-Limit Hold'em, $1 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($53.50)
UTG ($74.85)
Hero ($100)
CO ($47.90)
Button ($98.57)
SB ($167.15)

Preflop: Hero is MP with A[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $4</font>, CO calls $4, <font color="#666666">3 folds</font>.

Flop: ($9.50) K[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $6.5</font>, CO calls $47.90 (All-In), Hero ???.

He shoved after a raise pre the last hand (could be on tilt), and here just coldcalls and shoves again to a cbet. What would you do???

[keikiwai]

i'd instacall

you have tpgk, he could be on tilt, he's only half stacked, and you've got the nuts