What in the exif or the physical setting would indicates the reason this is dark? Not high enough iso -tho 400 would seem to be enough-nor did the flash fire.
btw: this was surely a "shoot from the hip" perpetration
Model : Canon EOS DIGITAL REBEL XT
DateTime : 2008:05:28 17:42:13
Sub Information
ExposureTime : 1/160Sec
FNumber : F8.0
ExposureProgram : Program Normal
ISOSpeedRatings : 400
ExifVersion : 0221
DateTimeOriginal : 2008:05:28 17:42:13
DateTimeDigitized : 2008:05:28 17:42:13
ShutterSpeedValue : 1/160Sec
ApertureValue : F8.0
ExposureBiasValue : EV0.0
MeteringMode : Division
Flash : Not fired(Compulsory)
FocalLength : 62.00(mm)
UserComment :
ExifImageWidth : 1152
ExifImageHeight : 1728
ExposureMode : Auto
WhiteBalance : Auto
SceneCaptureType : Standard