diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..4a96c22
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+source .venv/bin/activate
\ No newline at end of file
diff --git a/answers.md b/answers.md
index f125e69..ab9b74a 100644
--- a/answers.md
+++ b/answers.md
@@ -4,22 +4,26 @@
 
 0. `secrets/secret0.txt` is encrypted using a Caesar Cipher. What is
    its secret number?
-
+78
 1. `secrets/secret1.txt` is encrypted using a Caesar Cipher. What is
    its secret number?
-
+1
 2. `secrets/secret2.txt` is encrypted using a Caesar Cipher. What is
    its secret number?
-
+44
 3. `secrets/secret3.txt` is encrypted using a Caesar Cipher. What is
    its secret number?
-
+59
 4. `secrets/secret4.txt` is encrypted using a Caesar Cipher. What is
    its secret number?
-
+32
 ## Checkpoint 2
 
 5. What is the polyalphabetic secret word?
 
+PYTHON
+
 6. Decrypt this message, which was encrypted using the same secret word:
    "EbZhdaV[h^bTpchhQnhig]X[VmhhRP]ftXVnRfjVY]fgtO_X]("
+
+The treasure is a worthless ball of aluminum foil.
\ No newline at end of file
diff --git a/caesar_cracker.py b/caesar_cracker.py
new file mode 100644
index 0000000..d449c47
--- /dev/null
+++ b/caesar_cracker.py
@@ -0,0 +1,24 @@
+from easybits import Bits
+from collections import Counter
+from ciphers.caesar import CaesarCipher
+
+def crack_caesar(ciphertext):
+    counted = Counter(ciphertext)
+    charlist = list(counted.keys())
+    commonchar = charlist[0]
+    for char in charlist:
+        if counted[char] > counted[commonchar]:
+            commonchar = char
+    return Bits(commonchar).int - Bits(" ").int
+
+with open("secrets/secret4.txt") as f:
+    ciphertext = f.read()
+
+
+
+secret = crack_caesar(ciphertext)
+cipher = CaesarCipher(secret)
+plaintext = cipher.decrypt(ciphertext)
+
+print(secret)
+print(plaintext)