hey everyone!!
to win Rizzoli and Isles: The Masterpiece Murders game follow these steps:

1.talk to the first police officer
2.go into the apartment
3.click on the victim
4.take a sample of her blood by the cotton swabs
5.click on her hand
6.take her fingerprint by the fingerprint brush + fingerprint tape
7.click on the painting
8.there is a fingerprint of the left of the painting (take it)
9.go to the bathroom
10.click on the bath
11.use the blood stain spray to find a blood stain (take a sample of it(by the cotton swabs))
12.go out and talk to the second police officer
13.go left & all the way to the landlord's room
14.go inside,talk to him and take that logo...
15.go to the map ===> go to the HQ
16.take a look at your desk then a look at your board
17.go right to the autopsy room
18.talk to isles
19.go check your desk (take the weapon sketch + the PINK report)
20.go and but them on the board
21.go to the map ===> medical center
22.talk to rizzoli then go inside
23.go to the 2nd victim's room
24.click on the victim then take a blood sample (from the neck)
25.look at her desk and take a pencil
26.use the pencil on the pice of paper and take the paper
27.use the blood spray to find a blood stain and take a sample
28.click at her notebook and see what is written
29.click on the painting and take the fingerprint on the right
30.go back to the HQ
31.check the desk,take the PINK reports and but them on the board
32.go left and talk to rizzoli
33.got to the map ===> heragon
34.go inside and talk to the owner
35.back to the HQ
36.take what is on the desk and but it on the board(the report + the note)
37.but these together (paintings together,pictures together, the 3 notes together)
38.go to the map ===> free art school
39.go in,talk to the lady then inside the school
40.go left then click on the paintings holder ( thompson's home
51.go inside have click on him then on the painting and take the weapon
52.click on the bag that's on the couch,take the note and go back to HQ
53.go to the desk,take the fingerprint off the weapon and go to the board
54.but the things together and you'll have:
(3 paintings,3 pictures,3 notes,3 fingerprints,3 Adam stuff)
55.go to rizzoli's office and write a note using the pencil
56.go to the map ===> Adam burns

and if you followed every step right you will find yourselves a winner :D