Print Grade Criteria
0 No development of fingerprint
1 Evidence of a fingerprint but <1/3 of the fingerprint showing continuous ridges
2 Between 1/3 and 2/3 of the fingerprint showing continuous ridges
3 >2/3 of the fingerprint showing continuous ridges
4 Full development – whole mark has clear and continuous ridges
Table 1: Fingerprint grading system as used in the UK [12].