Identify this Harvestman
It is probably Daddy Longlegs (Leiobunum vittatum)



this invert color image show the resemblance. 



Source: 
http://www.insectidentification.org/insect-description.asp?identification=Eastern-Harvestman

http://bugguide.net/node/view/840130



Might be eating a cockroach:



UPDATE:

OR

It might be Mitopus morio(modern harvestman)